Looking for a name that stands out and has unique flair? Look no further than Names That Start With O! From timeless classics to modern and stylish choices. There is no shortage of brilliant names that begin with O. 

Let’s explore the best options for girls, boys, and gender-neutral choices. Get ready to discover the O-mazing possibilities that await you!

Girl Names That Start With O

Are you looking for a beautiful and unique name for a baby girl? Look no further than O names. 

From popular choices like Olivia to more obscure options like Ovidia, names starting with O offer a range of delightful possibilities!

• Olivia: This classic name means “olive tree” and is perfect for a girl who is strong and peaceful, just like the tree.
• Ophelia: Derived from Shakespeare’s play “Hamlet,” this name has a poetic charm and is ideal for a creative and imaginative girl.
• Octavia: With a hint of regal elegance, Octavia reflects power and grace, making it a great choice for a future leader.
• Orla: This Irish name means “golden princess” and is perfect for a baby girl who shines bright with a warm and joyful personality.
• Opal: Just like the gemstone itself, the name Opal suggests a unique beauty and a girl with a colorful personality.
• Odette: Meaning “wealthy,” Odette is a perfect choice for a girl who embodies a sense of abundance and prosperity.
• Oona: This whimsical name brings a sense of ethereal beauty and charm to mind.
• Olympia: Inspired by the ancient Greek city, Olympia brings images of athletic prowess and strength.
• Odessa: This name has a unique and exotic vibe, perfect for a girl with a sense of adventure and exploration.
• Odelia: Meaning “praise” or “song of God,” Odelia is fitting for a girl who brings joy and positivity to everyone she meets.
• Orchid: With its delicate and exotic blooms, the name Orchid represents beauty and grace.
• Oceana: This name evokes images of the vast ocean and is suitable for a girl with a calm and tranquil nature.
• Olive: As a symbol of peace and harmony, Olive is an excellent choice for a girl who radiates calmness.
• Orlaith: This Irish name means “golden ruler” and is perfect for a girl with natural leadership qualities.
• Oksana: Meaning “praise God” in Russian, Oksana is ideal for a girl with strong faith and spirituality.
• Odile: Derived from the French word for “wealth,” Odile is fitting for a girl who values abundance and prosperity.
• Odyssey: With an adventurous spirit, this name is a nod to the epic journeys of Greek mythology.
• Ocean: This name represents boundless energy and a baby girl who is free-spirited and untamed.
• Olivea: With a twist on the classic name Olivia, Olivea adds a touch of uniqueness to this timeless choice.
• Olinda: This name carries a sense of mystery and allure, perfect for a girl who captivates everyone around her.
• Onyx: Representing strength and resilience, Onyx is a powerful choice for a girl who overcomes obstacles gracefully.
• Olesia: With a Slavic origin, this name means “defender of the people” and suits a girl with a strong sense of justice.
• Othelia: Evoking a sense of elegance, Othelia is a sophisticated choice for a girl who appreciates refinement.
• Olwen: Derived from Welsh mythology, this name means “white footprint” and is ideal for a girl who leaves a lasting impression.
• Orchidé: This French variation of the name Orchid adds a touch of continental charm.
• Ophra: This unique name has Hebrew origins and signifies a girl with wisdom and insight.
• Odelina: Meaning “little wealthy one,” this name suits a girl who is rich in character and values.
• Olympia: This name brings images of strength and determination to mind, making it perfect for a girl who aims for greatness.
• Ovidia: Derived from an ancient Roman clan name, Ovidia reflects a girl with noble ancestry.
• Orlaith: This Irish name means “golden princess” and is ideal for a girl who shines brightly with a warm and joyful personality.
• Ona: With a simple and sweet charm, Ona suits a kind-hearted and caring girl.
• Orlena: Meaning “golden,” Orlena is a name that denotes a girl with a radiant personality.
• Odelette: With a touch of whimsy, Odelette is perfect for a girl who brings joy and laughter to those around her.
• Odelle: Meaning “wealthy” or “prosperous,” Odelle is ideal for a girl who embodies a sense of abundance.
• Olesia: With a Slavic origin, this name means “defender of the people” and suits a girl with a strong sense of justice.
• Ottilie: Evoking a sense of grace and beauty, Ottilie is a charming choice for a girl who appreciates the finer things in life.
• Ophra: This unique name has Hebrew origins and signifies a baby girl with wisdom and insight.
• Odalys: This name means “wealth” and is perfect for a girl who embodies wealth beyond material things.
• Onika: Meaning “warrior woman,” Onika is a strong choice for a girl who embodies power and strength.
• Osanna: With roots in ancient Greek, Osanna means “salvation” or “deliverance.”

Boy Names That Start With O

Whether you’re drawn to names representing strength and protection, or names reflecting beauty and resilience, there’s something here for every taste. 

So, let’s dive in and discover the perfect name for your baby boy.

• Oliver: A classic name meaning “olive tree,” symbolizing peace and fruitfulness.
• Oscar: Derived from Old English, meaning “God spear,” representing strength and protection.
• Orion: From Greek mythology, referring to a hunter known for his bravery and determination.
• Owen: A Welsh name meaning “young warrior,” embodying courage and resilience.
• Odell: An English name meaning “from the valley,” representing a connection with nature and tranquility.
• Octavius: Derived from Latin, meaning “eighth,” often chosen for those born in the eighth month or as a Roman reference.
• Orson: of English origin, meaning “bear cub,” symbolizing strength and protection.
• Odin: Derived from Norse mythology, referring to the god of wisdom and magic, embodying knowledge and power.
• Oberon: From Shakespearean literature, representing a powerful and mysterious king of the fairies.
• Otis: of Germanic origin, meaning “wealth” or “prosperity,” symbolizing abundance and success.
• Orlando: Derived from Spanish, meaning “famous throughout the land,” reflecting distinction and fame.
• Oren: Hebrew for “pine tree,” symbolizing beauty, resilience, and regrowth.
• Odysseus: From Greek mythology, referring to a legendary hero known for his long journey and cunning strategies.
• Onyx: A unique gemstone name representing strength, power, and elegance.
• Onir: A Hebrew name meaning “joyful,” signifying happiness and positivity.
• Osias: Derived from Hebrew, meaning “God saves,” reflecting divine protection and deliverance.
• Obadiah: Biblical name meaning “servant of God,” representing devotion and faith.
• Oakley: Derived from the English word for an oak clearing, symbolizing strength and stability.
• Osborn: of English origin, meaning “God’s bear cub,” representing divine strength and protection.
• Orrin: Derived from Irish Gaelic, meaning “pale-haired,” representing a unique and distinct individual.
• Octavio: Derived from Latin, meaning “born eighth,” often chosen for those born in the eighth month.
• Omarion: A modern variation of Omar, retaining the meaning “eloquent” or “gifted speaker.”
• Orville: of French origin, meaning “gold city,” suggesting wealth and success.
• Oceanus: Derived from Greek mythology, symbolizing the vastness and power of the ocean.
• Orhas: A unique name meaning “a golden deer,” representing grace and beauty.
• Osian: Derived from Welsh, meaning “little deer,” representing gentleness and grace.
• Oskar: A Scandinavian variation of Oscar, combining the meaning “God spear” with its own touch of uniqueness.
• Orlin: Derived from Old French, meaning “fierce” or “eagle,” symbolizing strength and ambition.
• Octavian: of Latin origin, meaning “born eighth,” often chosen for those born in the eighth month.
• Otis: of Germanic origin, meaning “wealth” or “prosperity,” symbolizing abundance and success.
• Oded: Hebrew for “encouragement” or “support,” signifying kindness and inspiration.
• Oziel: Derived from Hebrew, meaning “strength of God,” representing divine power and protection.
• Orpheus: From Greek mythology, representing a legendary poet and musician known for his lyrical talent.
• Obi: A Nigerian name meaning “heart” or “cooperative,” symbolizing unity and partnership.
• Oisin: Derived from Irish mythology, meaning “little deer,” representing grace and innocence.
• Oakley: Derived from the English word for an oak clearing, symbolizing strength and stability.
• Osias: Derived from Greek, meaning “divine assistance,” reflecting a connection with the divine.
• Orville: of French origin, meaning “gold city,” suggesting wealth and success.
• Osman: A Turkish name meaning “protective” or “defender,” signifying bravery and guardianship.
• Orman: of Turkish origin, meaning “of the forest,” symbolizing a deep connection with nature.

Classic Names That Start With O

Whether you’re looking for a unique name or something more traditional, there’s sure to be an O name that catches your eye. Let’s take a closer look at some of the most popular options!

• Oswin: Of English origin, meaning “God’s friend.”
• Oscar: Of Irish and Gaelic origin, meaning “champion warrior.”
• Owen: A Welsh name meaning “youthful warrior.”
• Orestes: A Greek name meaning “might.”
• Olen: Of Greek origin, meaning “light.”
• Odette: A French name meaning “wealthy.”
• Orion: A Greek name meaning “son of fire.”
• Orville: Of French origin, meaning “golden town.”
• Ovid: A Latin name meaning “sheepherder.”
• Orlando: Of Spanish origin, meaning “famous throughout the land.”
• Opal: Of English origin, representing the precious iridescent gemstone.
• Onyx: A Greek name representing the jet-black stone.
• Otis: Of Old English origin, meaning “wealth.”
• Odell: Of Old English origin, meaning “woad hill.”
• Orla: Of Irish origin, meaning “Golden princess/warrior.”
• Osbert: Of Old English origin, meaning “bright and shining God.”
• Odysseus: A Greek name meaning “wrathful.”
• Oleander: A flower name found in the Mediterranean region.
• Ormond: Of Gaelic origin, meaning “spear protector.”
• Oliana: Hawaiian name which means “oleander,” the flower.
• Olin: Of Irish origin, meaning “fragrance.”
• Osmond: Of English origin, meaning “divine protection.”
• Orchid: A flower name representing a diverse and well-known family of plants.
• Olaf: A Danish and Norwegian name meaning “ancestor’s relic.”
• Orpheus: A Greek name meaning “darkness.”
• Octavius: Of Latin origin, meaning “eighth.”
• Omari: A Swahili name meaning “God the highest.”
• Oregon: A name of Native American origin meaning “river of the West.”
• Ora: A Hebrew name meaning “prayer.”
• Olwen: Of Welsh origin, meaning “white footprint.”
• Osric: Of German origin, meaning “divine ruler.”
• Ourania: A Greek name meaning “heavenly” or “divine.”
• Ossian: Of Gaelic origin, meaning “little deer.”
• Octavio: The Spanish version of Octavius.
• Odelia: Of Hebrew origin, meaning “praise God.”
• Okalani: Hawaiian name meaning “heaven’s royalty.”
• Olamide: Nigerian name meaning “my wealth has come.”
• Orlagh: Irish name meaning “golden lady.”
• Oisin: Of Irish origin, meaning “little deer.”
• Osianna: A Greek name meaning “ocean.”

Modern Names That Start With O

From nature-inspired names to those referencing Greek gods and goddesses, this list has something for everyone seeking a modern name for their bundle of joy!

• Oak: Nature-inspired name that symbolizes strength.
• October: A unisex name that can represent the month of October.
• Oasis: A gender-neutral name inspired by the fertile and peaceful place in the desert.
• Oceanic: A name that means “of the ocean”, perfect for water lovers.
• Odin: A unique and powerful name with Germanic roots that means “inspiration”.
• Oceana: A name that means “of the ocean”, representing peace and serenity.
• Oliverio: A modern version of the classic name “Oliver”, adding a unique flair.
• Odelie: A fresh and unique name representing “wealthy” or “fortunate”.
• Onalee: A combination of feminine names “Ona” and “Lee”, perfect for a modern girl.
• Orie: A unisex name that means “light”, perfect for a special child.
• Orland: A gender-neutral name inspired by the character from Shakespeare’s play As You Like It.
• Orionae: A gender-neutral name that combines the name Orion (the constellation) with “ae”, to add a modern twist.
• Orenda: A name that means “magical power” or “spiritual power”, perfect for a unique child.
• Ottilie: A name that means “prosperity” or “wealth”, with Germanic roots.
• Odele: A French name that means “songlike”, perfect for a musically inclined individual.
• Odena: A name of Greek origin that means “mountain of Zeus”.
• Onder: A unique name of Turkish origin that symbolizes power and passion.
• Olena: A name of Ukrainian origin that means “light” or “bright”.
• Oriel: A unique and mystical name that means “angel of destiny” or “messenger of God”.
• Orlagh: An Irish name that means “golden princess”, perfect for a regal and feminine individual.
• Osmar: A modern twist on the classic name “Osmond”, adding a unique identity.
• Othilia: A unique Swedish name that means “fortunate heroine”.
• Otislyn: A combination of Otis and Lyn, representing an ideal balance between masculinity and femininity.
• Osbourne: A strong and masculine name of Old English origin that means “soldier of God”.
• Owin: A unique and modern combination of Owen or Owyn.
• Ozara: A Hebrew name that means “help” or “assistance”.
• Oeuvre: Meaning “a work of art”, this name emphasizes creativity and inspiration.
• Orlin: A name of Slavic origin meaning “heavenly” or “divine”.
• Orlis: A unique and modern twist on the classic name “Orville”.
• Otessa: A modern spin on the classic name “Odette”.
• Otilio: A modern take on the name “Otto”.
• Orsino: A unique and modern name inspired by the character in Shakespeare’s play Twelfth Night.
• Olivander: A unique name that plays off of the classic name “Oliver”.
• Oaklen: A modern combination of Oak and Len, representing strength and masculinity.
• Oram: A unique and modern name that means “from the riverbank”.
• Onyxia: A modern and edgy name inspired by the gemstone “Onyx”.
• Oseas: A modern take on the name “Osiel”.
• Orrell: A unique and modern name inspired by the Old French word “oreille”, meaning “ear”.
• Oyinka: A unique Nigerian name that means “surrounded by wealth”.
• Ottawa: A unique and modern name inspired by the Canadian city and indigenous people.

Celebrity Names That Start With O

From actors to athletes and entrepreneurs to musicians, this list covers a diverse range of individuals who have all made their mark in their chosen fields. 

Whether you’re a pop culture, sports, or art fan, there’s something for everyone in this list of O-names!

• Olivia Culpo: American beauty pageant titleholder, model, and actress who won Miss Universe 2012.
• Ola Ray: American model and actress best known for playing Michael Jackson’s girlfriend in the “Thriller” music video.
• Omar Narvaez: Puerto Rican boxer nicknamed “El Huracán”, has won multiple world titles.
• Odyssey Sims: American professional basketball player for the Minnesota Lynx with multiple NCAA and WNBA accolades.
• Orlando Cepeda: Puerto Rican former Major League Baseball player inducted into the Baseball Hall of Fame in 1999.
• Olga Tanon: Puerto Rican singer and musician who has won multiple Latin Grammy Awards.
• Orenthal James “O.J.” Simpson: Former American football player and actor, famously acquitted of murder charges in 1995.
• Octavio Dotel: Former Dominican Major League Baseball player, a record holder for playing for the most MLB teams.
• Ogie Alcasid: Filipino singer-songwriter and actor known for his work in the Philippine music and entertainment industry.
• Olivia Wilde: American actress and filmmaker is known for her roles in movies like “Tron: Legacy” and “Cowboys and Aliens.”
• Osvaldo Ardiles: Argentine former professional soccer player and coach known for his skill on the field.
• Oprah Winfrey: American media mogul, talk show host, and philanthropist, one of the most influential women in the world.
• Olive Thomas: American actress, model, and socialite popular in the 1910s before her untimely death at 25.
• Omar Sy: French actor and comedian known for his roles in movies like “The Intouchables” and “X-Men: Days of Future Past.”
• O.T. Genasis: American rapper known for his hits like “CoCo” and “Cut It.”
• Olivia Munn: American actress and former television journalist known for her roles in “The Newsroom” and “X-Men: Apocalypse.”
• Orlando Bloom: English actor known for his roles in movies like “Pirates of the Caribbean” and “The Lord of the Rings.”
• Oswaldo Guayasamin: Ecuadorian painter and sculptor considered an important figure in Latin American art.
• Oksana Baiul: Ukrainian figure skater who won gold at the 1994 Winter Olympics and became an Olympic champion at 16.
• Oded Fehr: Israeli actor known for his roles in movies like “The Mummy” and TV shows like “24.”
• Oscar Hammerstein II: American Broadway theater producer and lyricist who collaborated with composer Richard Rodgers to produce some of the most enduring musicals ever.
• Olly Murs: British singer-songwriter who gained fame by appearing on “The X Factor” reality competition show.
• Otis Redding: American soul singer-songwriter widely regarded as one of the greatest singers in the history of American popular music.
• Omar Sharif: Egyptian actor known for his roles in movies like “Lawrence of Arabia” and “Doctor Zhivago.”
• Olga Kurylenko: French-Ukrainian actress and model who has appeared in movies like “Quantum of Solace” and “Oblivion.”
• Octavia Butler: American science fiction author, one of the most important authors of the genre, and winner of several Hugo and Nebula awards.
• Orville Redenbacher: American agriculturalist and entrepreneur who developed a popular brand and variety of popcorn.
• Otis Williams: American soul singer, songwriter, and record producer best known as The Temptations’ founder and last surviving original member.
• Ollie Johnston: American animator and one of Disney’s “Nine Old Men,” known for his work on classic Disney movies like “Snow White and the Seven Dwarfs” and “Pinocchio.”
• Orla Kiely: Irish fashion designer and businesswoman known for her unique prints and patterns, particularly in home decor.
• Osamu Tezuka: Japanese manga artist and animator known as the “Godfather of Manga” for creating “Astro Boy” and other classic manga series.
• Oritse Williams: British singer-songwriter and former member of the boy band JLS.
• Arto Ojanen: Finnish former professional skateboarder who was a dominant force in the sport during the late 80s and early 90s.
• Otto Porter Jr.: American professional basketball player for the Chicago Bulls who was drafted 3rd overall in 2013.
• Orel Hershiser: American former Major League Baseball pitcher who won a Cy Young Award and a World Series championship with the Los Angeles Dodgers.
• Ona Grauer: Mexican-Canadian actress known for her roles in TV shows like “Stargate Universe” and “The Collector.”
• Olivier Galzi: French journalist and television presenter known for his work on news and political commentary programs in France.
• Ozzie Smith: American former professional baseball player, a Hall of Famer known for his defensive skills at shortstop.
• Ofelia Medina: Mexican actress and producer known for her work in the Mexican film industry over several decades.
• Osman Khalid Butt: Pakistani actor, writer, and director known for his work in Pakistani television and film.

Magical Creature Names That Start With O

Looking for magical creature names that start with O? This list has everything from powerful angels and mystical wolves to sentient volcanoes and giant squid!

• Ogrune: A half-ogre, half-elven beast that dwells in the deepest parts of forests.
• Onyrix: A magnificent bird with golden feathers that can tame the wildest storms.
• Oriphiel: A powerful angelic being that governs creativity and inspiration.
• Ophidian: A serpent-like creature that possesses powerful poison and can shapeshift to deceive unsuspecting prey.
• Omenwolf: A mystical wolf that warns and guides those who have lost their way.
• Oceallaigh: A water spirit that can control the tides and currents of the ocean.
• Omnipod: A small, animated ball of light that can travel through time and space.
• Oshun: A deity of love, fertility, and prosperity in African mythology.
• Opalfin: A magical fish with scales that shine like precious stones.
• Onadir: A giant squid that guards ancient underwater treasures.
• Orbeetle: A giant beetle that emits a pheromone that can control the minds of other insects.
• Orodruin: A massive, sentient volcano with the power to summon earthquakes and molten rock.
• Orenda: A Native American spirit of spiritual power and strength.
• Odino: A massive, mystical deer with golden antlers that can regenerate any wound.
• Ophrys: A type of orchid flower that can produce powerful enchantments.
• Orin: A shape-shifting being that can take on the form of any creature it desires.
• Ochaye: A small, mischievous fairy that enjoys pranks and practical jokes.
• Ohdett: A magical, intelligent fox that can read minds and see through illusions.
• Oakthorn: A sentient tree with thorns that can ensnare its prey.
• Orlanth: A storm and sky god in mythology who can control the winds and lightning.
• Orbythia: A beautiful winged creature that can control the elements of fire and ice.
• Ophios: A snake-like creature with the power to control water.
• Ostara: A goddess of spring and fertility in Germanic mythology.
• Octomoth: A cephalopod manifestation that has the power to stun its enemies with its tentacles.
• Ostroskyr: A winged horse that can control the skies and clouds.
• Oghurithne: A forest spirit that can grant the gift of speech to animals.
• Oscurdalus: A giant firefly emitting powerful light and heat blasts.
• Ophis: A dragon serpent that can produce powerful venom and control the minds of lesser beings.
• Oarnoth: A half-water, half-fire creature that can produce steam and boiling water on a whim.
• Ovia: A Nigerian river spirit that can bring prosperity and abundance.
• Ollamh: An ancient, mysterious being that possesses great wisdom and knowledge.
• Ormkyn: A massive, serpent-like creature that can poison entire rivers with venom.
• Orichalcum Turtle: A rare turtle species with an orichalcum shell that’s nearly impossible to penetrate.
• Oscarna: A fierce, fearless warrior that wears a suit of sentient armor.
• Owlcrow: A mysterious bird with the body of a crow and an owl’s head.
• Oslavastoka: A massive, mythical snake that uses its long tail to ensnare and crush prey.
• Ondine: A beautiful water nymph that lives in lakes and rivers.
• Odysseus: A Greek hero famous for his cunning and intelligence.
• Omnom: A small, furry creature with a powerful appetite for precious gems and metals.
• Orithyia: A winged woman in Greek mythology carried off by the North Wind.

Unisex Names That Start With O

Without further ado, let’s explore these captivating unisex names starting with O!

• Ocean: A gender-neutral name that evokes a sense of tranquility and vastness, perfect for water lovers.
• Onyx: A dark and mysterious gemstone, Onyx is a unisex name that symbolizes strength and resilience.
• Orion: Named after the mighty hunter in Greek mythology, Orion is a strong and celestial unisex name.
• Ollie: A playful and friendly unisex name, Ollie is a diminutive form of Oliver or Olivia.
• Oriel: Derived from the Latin word for “golden,” Oriel is a unisex name representing brightness and radiance.
• Oasis: Symbolizing a peaceful and fertile haven, Oasis is a unisex name that brings to mind tranquility and calmness.
• Oberon: With roots in Shakespeare’s “A Midsummer Night’s Dream,” Oberon is a powerful and enigmatic unisex name.
• Ona: A name with multiple origins and meanings can be interpreted as “grace” or “unity.”
• Odell: Meaning “from the valley,” Odell is a unisex name that exudes a sense of groundedness and connection to nature.
• Otis: Derived from an Old German word meaning “wealth,” Otis is a unisex name that conveys success and prosperity.
• Oona: A name of Irish origin, Oona means “lamb” and embodies innocence and gentleness.
• Oaklyn: A modern unisex name, Oaklyn combines the nature-inspired element of “oak” with the trendy “-lyn” ending.
• Ozara: Derived from Hebrew, Ozara means “treasure” and symbolizes something of great value and importance.
• Ortley: A unique unisex name that blends the sounds of “orchid” and “fairly,” evoking images of delicate beauty.
• Omari: Originating from Africa and the Middle East, Omari means “thriving” and represents growth and prosperity.
• Odele: Of Greek origin, Odele means “melody” and signifies harmony and musicality.
• Oisin: Pronounced “oh-sheen,” Oisin is an Irish name meaning “little deer” and carries a sense of grace and agility.
• Olwen: Derived from Welsh mythology, Olwen means “white footprint” and represents purity and new beginnings.
• Olympia: A regal and powerful unisex name associated with the ancient city of Olympia and the Olympic Games.
• Octavian: Derived from the Latin word for “eight,” Octavian is a strong and dignified unisex name.
• Osian: A Welsh name meaning “little deer,” Osian embodies a sense of gentleness and harmony with nature.
• Ouray: With Native American origins, Ouray means “arrow” and represents strength and determination.
• Ovid: Derived from the Latin word for “sheep,” Ovid is a unisex name that symbolizes gentleness and innocence.
• Oceane: Inspired by the ocean, Oceane is a unisex name that encapsulates the depth and calmness of the sea.
• Orchid: A delicate and exotic flower, Orchid is a unique unisex name that embodies beauty and rarity.
• Oriole: A name inspired by the bright and melodious songbird, Oriole brings a sense of joy and cheerfulness.
• Ode: Meaning “song” or “poem,” Ode is a unisex name that signifies creativity and artistic expression.
• Oak: A strong and sturdy tree, Oak is a unisex name representing endurance and reliability.
• Osprey: Named after the large bird of prey, Osprey is a unisex name that reflects strength and keen observation.
• Orin: A unisex name with multiple origins, Orin can mean “light” in Hebrew and “river” in Gaelic.
• Odessa: A name with Greek origins, Odessa refers to the city known for its beautiful architecture and port.
• Olivine: Named after the gemstone known for its golden-green hue, Olivine is a unique and gender-neutral choice.
• Opal: A gemstone associated with hope and purity, Opal is a unisex name that is both elegant and modern.
• Orlando: A name with Italian and Spanish origins, Orlando means “famous land” and represents ambition and success.
• Omar: With Arabic roots, Omar means “long-lived” and represents strength and endurance.
• Odette: A French name meaning “wealthy,” Odette embodies elegance and refinement.
• Orson: With Old English origins, Orson means “bear cub” and represents strength and playfulness.
• Orca: Derived from the powerful and majestic sea creature, the Orca, this unisex name embodies strength and grace. Orca is a unique name that symbolizes intelligence, teamwork, and the beauty of the ocean.
• Oleander: Oleander is a unique unisex name that combines beauty and strength. It symbolizes resilience and the ability to overcome challenges. It’s captivating and has an air of mystery, inspired by the vibrant and poisonous flowering shrub.

Superhero Names That Start With O

Are you a fan of superheroes? If so, you’ll love this list of superhero names starting with the letter “O”!

• Omni-Man: A hero with the ability to possess extraordinary strength, speed, and flight.
• Oracle: A master detective and strategist, proficient in martial arts and equipped with advanced technology.
• Omega: A superhuman with the power of energy manipulation and control.
• Octane: A speedster hero who can run at incredible velocities.
• Osprey: A hero who can fly and navigate effortlessly through the air.
• Overdrive: A technologically-enhanced hero with superhuman agility and reflexes.
• Outlaw: A vigilante hero who fights for justice and takes on the criminal underworld.
• Optic: A hero gifted with enhanced vision and the ability to manipulate light.
• Ocelot: A hero with heightened senses and cat-like agility.
• Optimus: A hero with the power to transform into different forms, each with unique abilities.
• Omega Girl: A heroine with incredible strength and invulnerability.
• Obsidian: A hero who can merge with and manipulate shadows to his advantage.
• Oracle-X: A cybernetically-enhanced hero with vast knowledge and hacking skills.
• Oceanus: A hero with hydrokinetic abilities, able to control and manipulate water.
• Outburst: A hero with the power to generate and manipulate energy blasts.
• Overcast: A superhero who can control and manipulate weather patterns.
• Omni-Girl: A heroine with a wide range of abilities like super strength, flight, and energy projection.
• Ozone: A hero who can generate and control toxic gases for various purposes.
• Octavia: A hero with the power to manipulate sound and create sonic attacks.
• Orynix: A mysterious hero with shapeshifting abilities, able to transform into any creature.
• Oracle Owl: A hero with acute wisdom and the ability to see into the future.
• Onyx: A hero with the power to turn into a living shadow and move through darkness undetected.
• Osmosis: A hero with the ability to absorb and mimic the powers of others.
• Orca: A hero with the strength, speed, and agility of an orca whale.
• Obscura: A hero with the power of invisibility and the ability to manipulate shadows.
• Ocelot Fury: A fierce hero with heightened senses and razor-sharp instincts.
• Overdrive: A hero with enhanced mechanical limbs that grant him incredible speed and strength.
• Outshine: A hero capable of emitting blinding bursts of light.
• Onyxia: A superpowered heroine who can control multiple elements and manipulate them to her advantage. She can create powerful storms, control fire, and shape earth and water to fight any villain she encounters.
• Orator: A hero with the power of persuasion, capable of changing minds through his words.
• Omen: A hero with precognitive abilities, able to foresee imminent danger.
• Oathkeeper: A hero with an unbreakable code of honor and unwavering dedication to justice.
• Onslaught: A hero with telepathic and telekinetic powers, able to overpower his foes mentally.
• Outrider: A hero specialized in reconnaissance and stealth, skilled in infiltration and extraction.
• Overcharge: A hero capable of temporarily increasing his strength and speed to incredible levels.
• Obelisk: A hero who can manipulate stone and construct impenetrable barriers.
• Omni-Beast: A hero with the powers of various animals, able to embody their strengths and characteristics.
• Oracle of Time: A hero who can perceive and manipulate time itself.
• Omega X: A hero with reality-warping abilities, able to shape the world around him.
• Outcast: A hero who fights against societal norms and champions the rights of the marginalized.

Biblical Names That Start With O

These names range from prophets and judges to places and objects, and each one has a unique story to tell. Check them out!

• Obadiah: Means “servant of Yahweh,” a prophet in the Old Testament.
• Obed: Means “servant” or “worshipper,” a descendant of Ruth and the father of Jesse.
• Oboth: A place in the wilderness where the Israelites camped during their journey to the Promised Land.
• Ocran: A descendant of Judah mentioned in the genealogies of the Old Testament.
• Oded: A prophet who encouraged King Amaziah to trust in God for victory.
• Og: A king of Bashan who fought against the Israelites during their conquest of the Promised Land.
• Ohad: A descendant of Simeon mentioned in the genealogies of the Old Testament.
• Oholah: One of two sisters who represented Samaria and Jerusalem in a parable about unfaithfulness to God.
• Oholiab: A skilled craftsman who helped build the Tabernacle in the wilderness.
• Oholibamah: A descendant of Esau who married one of his cousins.
• Ophel: A hill in Jerusalem where King Solomon built a palace.
• Ophir: A land known for its gold and precious stones, mentioned in the Old Testament.
• Oreb: A Midianite general who Gideon and his army defeated.
• Ornan: A Jebusite who sold King David the land on which he built the altar to the Lord.
• Orpah: A Moabite woman who married one of Naomi’s sons and later returned to her people.
• Osee: The Greek form of Hosea, a prophet in the Old Testament.
• Othniel: The first judge of Israel who led the Israelites to victory over the king of Mesopotamia.
• Otho: A Roman emperor who ruled from 69-79 AD.
• Ozem: A descendant of Judah mentioned in the genealogies of the Old Testament.
• Ozias: The Greek form of the name Uzziah, a king of Judah who reigned in the 8th century BC.
• Oziel: A descendant of Levi mentioned in the genealogies of the Old Testament.
• On: A son of Peleth and a member of the tribe of Reuben.
• Onam: A son of Shobal and a member of the tribe of Judah.
• Onan: A son of Judah who was put to death by God for disobeying his father’s command to marry his deceased brother’s wife.
• Onesimus: A slave who became a Christian and was later sent back to his master, Philemon, with a letter from the apostle Paul.
• Onesiphorus: A Christian who assisted the apostle Paul during his imprisonment.
• Ono: A town near Jerusalem that was rebuilt by the returned exiles.
• Onycha: An ingredient in the holy incense used in the tabernacle and temple worship.

Unique Names That Start With O

Are you looking for a unique name or want to explore more interesting names? Look no further! Here are some unique names that all begin with the letter O!

• Ozymandias: A name derived from an ancient Egyptian king.
• Oceania: A name inspired by the regions of the Pacific Ocean.
• Onyxia: A unique and elegant name.
• Ozric: A rare name with a distinctive sound.
• Orinthia: A beautiful and uncommon name.
• Olivander: A unique twist on the name Oliver.
• Opaline: A gemstone-inspired name.
• Orlandis: A creative and distinctive name.
• Odeliah: A unique variation of the name Delilah.
• Odilo: A distinctive name with Germanic roots.
• Ophidian: A unique and mysterious name.
• Orialis: A rare name with a melodic quality.
• Osiria: A name of Egyptian origin with a regal feel.
• Orionis: A celestial and majestic name.
• Orellia: A unique and enchanting name.
• Owena: A lovely and uncommon variation of Owen.
• Oaklen: A nature-inspired name with a modern twist.
• Octavian: A unique and noble-sounding name.
• Orlantha: A melodic and exotic name.
• Oisintha: A rare and lyrical name.
• Olivianne: A combination of the names Olivia and Anne.
• Oceanica: A name inspired by the vastness of the ocean.
• Odyssea: A unique and adventurous name.
• Othelin: A distinctive and sophisticated name.
• Osirius: A powerful and distinctive name.
• Orelise: A unique and elegant name.
• Obsidian: A striking and unusual name.
• Orlaithara: A beautiful and uncommon Irish name.
• Oneira: A unique and dreamy name.
• Olestra: A rare and intriguing name.
• Orendra: A unique name with a powerful meaning.
• Onyxus: A bold and distinctive name.
• Octavienne: A feminine and elegant name.
• Oceara: A mysterious and enchanting name.
• Odhran: A rare and intriguing Celtic name.
• Ossian: A distinctive and strong name.
• Oona: A unique and beautiful name of Irish origin.
• Ovilia: A charming and rare name.
• Orinthielle: A melodic and unique variation of the name Orinthia.
• Ovidiah: A one-of-a-kind name with a strong sound.

This list of 400 names starting with “O” offers many options, from biblical names to superhero monikers. Whether you prefer traditional or unique names, there’s something for everyone. 

With so many choices, you can find the perfect name for any occasion or purpose. Happy exploring!