Boy Names That Start with “O”

Choosing the perfect name for your baby boy is an exciting journey filled with possibilities.

If you’re searching for a name that begins with “O”, you’re in luck! While not as common as some other letters, “O” offers a treasure trove of charming and unique options for your little one.

From timeless classics like Oliver, meaning “olive tree,” to more uncommon gems like Orion, inspired by the celestial hunter in Greek mythology, there’s a wealth of inspiration to explore.

In this guide, we’ll delve into some of the best boy names that start with “O” and unravel their meanings and origins.

Whether you’re drawn to names with a strong historical significance or ones that evoke a sense of adventure, you’re sure to find something that resonates with you.

So, get ready to embark on a journey through the world of boy names that start with “O”.

Whether you’re seeking tradition or seeking something delightfully different, we’ve got you covered.

Let’s dive in and discover the perfect name for your little bundle of joy!

Popular Boy Names That Start with “O”

Oliver – “Olive tree” (Latin)

Owen – “Young warrior” (Welsh)

Oscar – “God spear” (Old English)

Omar – “Flourishing, long-lived” (Arabic)

Orion – “Rising in the sky” (Greek)

Odin – “Frenzy, rage” (Norse)

Otis – “Wealth” (German)

Oren – “Pine tree” (Hebrew)

Orlando – “Famous land” (Italian)

Osmond – “Divine protection” (Old English)

Oswald – “God’s power” (Old English)

Oberon – “Noble, bear-like” (German)

Ozzie – “Divine power” (German)

Oakley – “Oak wood or clearing” (Old English)

Orville – “Gold town” (French)

Omarion – “Flourishing, long-lived” (Arabic)

Otto – “Wealth, prosperity” (German)

Omarion – “Flourishing, long-lived” (Arabic)

Odie – “Wealthy” (German)

Osric – “Divine ruler” (Old English)

Obadiah – “Servant of God” (Hebrew)

Oran – “Light, pale” (Irish)

Orin – “Pale green” (Gaelic)

Ozias – “Salvation” (Greek)

Omar – “Flourishing, long-lived” (Arabic)

Othniel – “God’s lion” (Hebrew)

Octavio – “Eighth” (Latin)

Onyx – “Gemstone” (Greek)

Orel – “Light, angel” (Latin)

Oswin – “God’s friend” (Old English)

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Modern Boy Names That Start with “O”

Ozzie – “Divine power” (German)

Onyx – “Gemstone” (Greek)

Orion – “Rising in the sky” (Greek)

Oz – “Strength” (Hebrew)

Oakley – “Oak wood or clearing” (Old English)

Oberon – “Noble, bear-like” (German)

Ocean – “Sea” (Greek)

Olin – “Holly” (Scandinavian)

Orlando – “Famous land” (Italian)

Otto – “Wealth, prosperity” (German)

Odin – “Frenzy, rage” (Norse)

Oberon – “Noble, bear-like” (German)

Orson – “Bear cub” (Latin)

Omari – “God the highest” (Swahili)

Oberyn – “Noble bear” (German)

Oak – “Tree” (Old English)

Orin – “Pale green” (Gaelic)

Ozias – “Salvation” (Greek)

Onyx – “Gemstone” (Greek)

Odie – “Wealthy” (German)

Oran – “Light, pale” (Irish)

Olivier – “Olive tree” (French)

Octavius – “Eighth” (Latin)

Otis – “Wealth” (German)

Orion – “Rising in the sky” (Greek)

Oslo – “Meadow beneath the ridge” (Old Norse)

Olivander – “Olive tree” (Latin)

Ozwell – “Divine power” (German)

Odell – “Woad hill” (Old English)

Orlin – “Pledge” (Germanic)

Unique “O” Names for Boys

Oberyn – “Noble bear” (German)

Orson – “Bear cub” (Latin)

Omarion – “Flourishing, long-lived” (Arabic)

Ozias – “Salvation” (Greek)

Olin – “Holly” (Scandinavian)

Octavius – “Eighth” (Latin)

Oziel – “Divine strength” (Hebrew)

Odell – “Woad hill” (Old English)

Oslo – “Meadow beneath the ridge” (Old Norse)

Olivander – “Olive tree” (Latin)

Onyx – “Gemstone” (Greek)

Orlin – “Pledge” (Germanic)

Orion – “Rising in the sky” (Greek)

Orpheus – “Darkness of night” (Greek)

Oren – “Pine tree” (Hebrew)

Otso – “Bear” (Finnish)

Osmund – “God’s protection” (Old English)

Ovid – “Shepherd” (Latin)

Orpheus – “Darkness of night” (Greek)

Olivio – “Olive tree” (Italian)

Ophir – “Gold” (Hebrew)

Odysseus – “Wrathful” (Greek)

Oren – “Pine tree” (Hebrew)

Ozric – “Divine ruler” (Old English)

Orlan – “Renowned in the land” (French)

Otavio – “Eighth” (Portuguese)

Ophiel – “Leader of the Seraphim” (Hebrew)

Orfeo – “Darkness of night” (Italian)

Othmar – “Famous for wealth” (German)

Oren – “Pine tree” (Hebrew)

Timeless Boy Names Starting with “O”

Oliver – “Olive tree” (Latin)

Owen – “Young warrior” (Welsh)

Oscar – “God’s spear” (Old English)

Otis – “Wealth” (German)

Orlando – “Famous throughout the land” (Italian)

Omar – “Flourishing, long-lived” (Arabic)

Orson – “Bear cub” (Latin)

Odin – “Frenzy, inspiration” (Norse)

Orville – “Gold town” (French)

Oswald – “God’s power” (Old English)

Othello – “Wealth” (Germanic)

Oren – “Pine tree” (Hebrew)

Otto – “Wealth, fortune” (German)

Oakley – “Oak meadow” (Old English)

Ozzy – “Divine power” (Old English)

Oisin – “Little deer” (Irish)

Omarion – “Populous, flourishing” (Arabic)

Orion – “Rising in the sky” (Greek)

Octavio – “Eighth” (Latin)

Oleg – “Holy” (Russian)

Orion – “Hunter in Greek mythology” (Greek)

Osric – “Divine ruler” (Old English)

Olivier – “Olive tree” (French)

Obadiah – “Servant of God” (Hebrew)

Oran – “Light, pale” (Irish)

Onyx – “Gemstone” (Greek)

Omarion – “Long-lived” (Arabic)

Osmond – “Divine protection” (Old English)

Osiris – “God of the afterlife” (Egyptian)

Orville – “Golden city” (French)

Exotic and Foreign Boy Names Starting with “O”

Olivier – “Olive tree” (French)

Omar – “Flourishing, long-lived” (Arabic)

Orlando – “Famous throughout the land” (Italian)

Oleg – “Holy” (Russian)

Oren – “Pine tree” (Hebrew)

Omarion – “Populous, flourishing” (Arabic)

Osiris – “God of the afterlife” (Egyptian)

Oisin – “Little deer” (Irish)

Ozzy – “Divine power” (Old English)

Octavio – “Eighth” (Latin)

Oberon – “Noble, bearlike” (Germanic)

Orfeo – “Darkness” (Italian)

Osmar – “Famous for his generosity” (German)

Oliviero – “Olive tree” (Italian)

Oluwaseun – “God has done” (Yoruba)

Onofrio – “Defender of peace” (Italian)

Odhran – “Little pale green one” (Irish)

Omarion – “Long-lived” (Arabic)

Orazio – “Pray” (Italian)

Orfeas – “Darkness” (Greek)

Ottokar – “Wealth and fortune” (German)

Oluwaseyi – “God has done this” (Yoruba)

Ozias – “Salvation” (Greek)

Ove – “Blade edge” (Danish)

Orhan – “Great leader” (Turkish)

Omarion – “Flourishing” (Arabic)

Oliwier – “Olive tree” (Polish)

Oronzo – “Mountain of strength” (Italian)

Osmond – “God’s protection” (Old English)

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Gender-Neutral Baby Names That Start With “O”

Oakley – “Meadow of oak trees” (English)

Ocean – “Sea” (Latin)

Odell – “Woad hill” (English)

Ode – “Song” (Greek)

Odeya – “I will thank God” (Hebrew)

Olive – “Olive tree” (Latin)

Onyx – “Black gemstone” (Greek)

Ora – “Light” (Latin)

Orion – “Rising in the sky; Dawning” (Greek)

Oswin – “God’s friend” (Old English)

Oma – “Leader” (Arabic)

Omari – “God the highest” (Swahili)

Omri – “My sheaf” (Hebrew)

Onie – “Onyx” (Greek)

Oasis – “Fertile place in the desert” (English)

Olwen – “White footprint” (Welsh)

Ophir – “Gold” (Hebrew)

Oriole – “Golden” (Latin)

Orly – “Light for me” (Hebrew)

Orion – “Rising in the sky” (Greek)

Oslo – “Meadow beneath the ridge” (Norwegian)

Ottilie – “Wealthy” (German)

Oxford – “From the oxen crossing” (English)

Oz – “Strength” (Hebrew)

Ozi – “Strong” (Hebrew)

Ovia – “Lustrous” (Latin)

Ozzy – “Divine power” (Old English)

Ove – “Blade edge” (Scandinavian)

Oya – “Wind warrior goddess” (Yoruba)

Oryn – “Pine tree” (Irish)

Religious Names for Boys Starting with “O”

Obadiah – “Servant of God” (Hebrew)

Omar – “Flourishing, Long-lived” (Arabic)

Onan – “Strength” (Hebrew)

Osiris – “Mighty” (Egyptian)

Othniel – “Lion of God” (Hebrew)

Ozias – “Strength from God” (Greek)

Omari – “God the highest” (Swahili)

Oran – “Light” (Aramaic)

Obed – “Servant, Worshipper” (Hebrew)

Ose – “God is powerful” (Hebrew)

Oziel – “Divine strength” (Spanish)

Oz – “Strength” (Hebrew)

Oren – “Laurel or pine tree” (Hebrew)

Oziel – “Strength of God” (Hebrew)

Othman – “Wealthy” (Arabic)

Ozair – “Helper, Savior” (Arabic)

Olan – “Ancestor’s relic” (Nigerian)

Omarion – “Populous, Flourishing” (Arabic)

Ozzy – “Divine power” (Old English)

Omer – “Sheaf of grain” (Hebrew)

Oziel – “Strength of God” (Hebrew)

Oluwaseun – “God has done this” (Yoruba)

Oluwafemi – “God loves me” (Yoruba)

Oluwatobi – “God is great” (Yoruba)

Oluwatimileyin – “God supports me” (Yoruba)

Oluwapelumi – “God is with me” (Yoruba)

Osman – “Divine protection” (Arabic)

Obi – “Heart” (Igbo)

Famous Male Persons Having Names Starting with “O”

Oscar Wilde

Irish poet and playwright, famous for his wit, flamboyant personality, and works like “The Picture of Dorian Gray” and “The Importance of Being Earnest.”

Orson Welles

American actor, director, and producer, renowned for his groundbreaking film “Citizen Kane” and his distinctive voice in radio broadcasting.

Oprah Winfrey

American media proprietor, talk show host, actress, producer, and philanthropist, known for “The Oprah Winfrey Show” and her influential media empire.

Oliver Cromwell

English military and political leader, who played a key role in the English Civil War, and later became Lord Protector of the Commonwealth of England, Scotland, and Ireland.

Omar Khayyam

Persian mathematician, astronomer, and poet, known for his work on algebra and geometry, and for his collection of quatrains, the “Rubaiyat.”

Orville Wright

American aviation pioneer, along with his brother Wilbur, credited with inventing and building the world’s first successful airplane.

Otto von Bismarck

Prussian statesman and diplomat, known for his role in the unification of Germany and his skillful realpolitik in European diplomacy during the late 19th century.

Oliver Stone

American film director, producer, and screenwriter, recognized for his provocative and politically charged films such as “Platoon,” “JFK,” and “Natural Born Killers.”

O. Henry (William Sydney Porter)

American short story writer, known for his clever twist endings and wit, with works such as “The Gift of the Magi” and “The Ransom of Red Chief.”

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About Claire Sierra

Claire Sierra is a passionate name enthusiast and creative mind behind the art of naming. With a keen eye for blending tradition and innovation, she specializes in curating the perfect monikers for your little ones. From charming first names to distinctive last names and everything in between, Claire's expertise extends to crafting meaningful nicknames and exploring the nuances of surnames.