Baby Boy Names That Start With O

October 27, 2023 Cutest Babies

There are so many things that make becoming a new mom exciting. Baby showers, gender reveals, the list goes on. But what can be more exciting than choosing your baby’s name!?

While it’s exciting, choosing the perfect name for your baby can also be difficult. We’ve put together a list of both popular and unique choices of baby names that start with O for boys and their meanings to help.

What are some popular boy names that start with O?

These are O names for boys that are popular and commonly found in places like the United States, according to the Social Security Administration.

Oakley – English, meaning “oak meadow” or “oak wood clearing.” Oakley represents a serene oak-filled landscape.
Octavius – Latin, meaning “eighth” or “born in the eighth month.” Octavius signifies the number eight and new beginnings.
Odell – Old English, meaning “wealthy” or “prosperous.” Odell embodies wealth and success.
Olaf – Old Norse, meaning “ancestor’s descendant” or “relic.” Olaf represents a connection to ancestry.
Olivier – French, meaning “olive tree” or “peace.” Olivier embodies peace and tranquility.
Omar – Arabic, meaning “flourishing” or “long-lived.” Omar signifies a prosperous and enduring life.
Omari – Swahili, meaning “flourishing” or “thriving.” Omari embodies growth and prosperity.
Oren – Hebrew, meaning “pine tree” or “pine forest.” Oren signifies a connection to pine trees.
Orion – Greek, meaning “hunter” or “son of the morning.” Orion signifies a skilled hunter and the dawn.
Orlando – Spanish, meaning “famous throughout the land.” Orlando signifies wide renown.
Osiris – Egyptian, meaning “powerful,” “mighty,” or “kingly.” Osiris signifies regal strength and influence.
Oswald – Old English, meaning “god ruler” or “divine power.” Oswald signifies divine authority.
Otis – German, meaning “wealthy” or “prosperous.” Otis embodies abundance and prosperity.
Otto – German, meaning “wealth” or “prosperity.” Otto represents abundance and success.
Owen – Welsh, meaning “young warrior” or “well-born.” Owen embodies youthful strength and nobility.
Ozzy – Hebrew, meaning “strong” or “mighty.” Ozzy signifies strength and power.

What are some unique boy names that start with O?

Looking for a unique or exotic names that start with O for boys? Here are some options:

Oaklen – English, meaning “oak tree” or “oak meadow.” Oaklen represents a connection to nature.
Obadiah – Hebrew, meaning “servant of God.” Obadiah represents servitude and devotion.
Obediah – Hebrew, meaning “servant of God.” Obediah represents devotion and servitude.
Oberon – Old French, meaning “noble bear” or “bear-like.” Oberon represents nobility and strength.
Octavian – Latin, meaning “eighth” or “born in the eighth month.” Octavian signifies the number eight and new beginnings.
Octaviano – Spanish, meaning “eighth” or “born in the eighth month.” Octaviano signifies new beginnings.
Octavio – Latin, meaning “eighth” or “born in the eighth month.” Octavio signifies new beginnings.
Oded – Hebrew, meaning “to restore” or “to return.” Oded represents the act of renewal and restoration.
Odhran – Irish, meaning “pale” or “sallow.” Odhran signifies a fair or light complexion.
Odin – Norse, meaning “fury” or “frenzy.” Odin represents a powerful and passionate nature.
Odysseus – Greek, meaning “anger” or “wrath.” Odysseus signifies a passionate and enduring journey.
Oisin – Irish, meaning “little deer” or “young deer.” Oisin represents an affinity for nature and grace.
Okeanos – Greek, meaning “ocean” or “sea.” Okeanos represents a connection to the vast sea.
Olander – Swedish, meaning “defender of the people.” Olander embodies the spirit of protection and defense.
Oleg – Slavic, meaning “holy” or “sacred.” Oleg signifies holiness and sanctity.
Ollivander – English, meaning “olive tree” or “wand maker.” Ollivander represents a connection between nature and magic.
Olney – Old English, meaning “open meadow” or “open field.” Olney signifies an open and expansive space.
Olwyn – Welsh, meaning “white footprint” or “white track.” Olwyn signifies a connection to a white trail or path.
Omer – Hebrew, meaning “sheaf of wheat” or “bundle of grain.” Omer signifies abundance and harvest.
Onslow – Old English, meaning “deer hill” or “gentle hill.” Onslow signifies a serene and deer-filled landscape.
Onyx – Greek, meaning “black gemstone” or “strength.” Onyx embodies the resilience and beauty of a gemstone.
Orenthius – Greek, meaning “mountain man” or “man from the mountain.” Orenthius represents a connection to mountains.
Oris – Latin, meaning “elk” or “moose.” Oris signifies a connection to these majestic animals.
Orland – English, meaning “famous throughout the land.” Orland signifies wide renown.
Orpheus – Greek, meaning “darkness” or “one who turns.” Orpheus signifies a connection to the mysterious and transformative.
Orrel – Hebrew, meaning “God is my light.” Orrel signifies divine illumination.
Orsen – Latin, meaning “bear cub” or “little bear.” Orsen represents strength and resilience.
Orville – French, meaning “golden city” or “city of gold.” Orville signifies wealth and prosperity.
Orwin – Old English, meaning “friend of the boar” or “boar lover.” Orwin embodies a connection to the boar.
Osbern – Old English, meaning “divine bear” or “God’s bear.” Osbern represents divine strength.
Osbert – Old English, meaning “bright god” or “divinely brilliant.” Osbert represents divine illumination.
Osbourne – Old English, meaning “divine bear” or “God’s bear.” Osbourne represents divine strength.
Oscar – Irish, meaning “deer lover” or “champion warrior.” Oscar represents an affinity for nature and bravery.
Osher – Hebrew, meaning “happiness” or “joy.” Osher represents the joyous and cheerful nature.
Osian – Welsh, meaning “little deer” or “young deer.” Osian embodies an affinity for nature and grace.
Osman – Turkish, meaning “pure” or “innocent.” Osman represents purity and innocence.
Osmane – Turkish, meaning “pure” or “innocent.” Osmane represents purity and innocence.
Osmonde – Old English, meaning “divine protection” or “God’s hand.” Osmonde signifies divine guardianship.
Osmund – Old English, meaning “divine protector” or “God’s hand.” Osmund represents divine guardianship.
Osred – Old English, meaning “divine counsel” or “God’s advice.” Osred signifies divine guidance.
Osric – Old English, meaning “divine ruler” or “godly power.” Osric represents divine authority.
Ossian – Irish, meaning “little deer” or “young deer.” Ossian represents a connection to nature and grace.
Osvin – Old English, meaning “friend of God” or “God’s friend.” Osvin represents divine friendship.
Othello – Italian, meaning “prosperous” or “fortunate.” Othello signifies good fortune and prosperity.
Otwell – Old English, meaning “wealthy spring” or “prosperous source.” Otwell signifies prosperity and abundance.
Otwin – German, meaning “wealth” or “prosperity.” Otwin embodies abundance and success.
Ozias – Hebrew, meaning “strength of God.” Ozias represents divine strength and might.
Ozzie – Hebrew, meaning “strong” or “mighty.” Ozzie signifies strength and power.

While this obviously isn’t a complete list, these are some of the top boy names that start with O, so hopefully this gave you some baby name inspiration. If you are having a baby girl, check out our list of top girl names that start with O.

Read Next: Gender Neutral Names That Start With O

Want to look at more names? We’ve put together some of the top baby names that start with every level of the alphabet. Check it out below!