“O” Boy Names

We’ve compiled a list of baby names in each category to help you choose the perfect name. Click on a name to find the name meaning, popularity, origin, and other helpful information.

Obadias

Obadias Meaning and Origin The name Obadias is a boy's name meaning "servant of God" and is of Hebrew origin. Variation of Obadiah. Posts with the name Obadias: 100 Forgotten Vintage Names for Girls and boys

Oben

Oben Meaning and Origin Oben is a boy's name of Old Norse origin meaning "divine bear." Posts with the name Oben: 100 Baby Names For Boys That Are Super Rare

Oberon

Oberon Meaning and Origin Oberon is a boy's name of German origin, meaning "noble and bear-like."  Posts with the name Oberon: 105 Space Baby Names for Boys

Oberyn

Oberyn Meaning and Origin The name Oberyn is a boy's name meaning "elf" and is of English origin. What more of a whimsical, magical nickname could you ask for than one that means elf. Posts with the name Oberyn: Rare Magical and Enchanting Baby Names No One Else will...

Obsidian

Obsidian Meaning and Origin Obsidian is a boy's name of Latin origin, meaning "of Obsidius." Obsidian is a naturally occurring volcanic glass. Posts with the name Obsidian: 100 Hauntingly Gorgeous Dark and Romantic Goth Baby Names

Octans

Octans Meaning and Origin Octans is a boy's name of Latin origin, meaning "the eighth part of a circle."  Posts with the name Octans: 105 Space Baby Names for Boys

Octavian

Octavian Meaning and Origin Octavian is a boy’s name of English via Latin origin, meaning: “eighth.” A form of the Latin name Octaviarais, a derivative of Octavius. Posts with the name Octavian: 100 Unique Names for Boys You Won’t Hear On The Playground

Octavius

Octavius Meaning and Origin The name Octavius is a boy's name meaning "eighth" and is of Latin origin. Posts with the name Octavius: Whimsical & Enchanting Names for Boys 20 Ancient Names for Boys From Myths and Legends 100 Hauntingly Gorgeous Dark and Romantic...

Oded

A Hebrew name meaning ‘upholder, encourager

Odgen

Odgen Meaning and Origin Odgen is a boy’s name of English origin, meaning: “oak valley.”  Posts with the name Odgen: 100 Unique Names for Boys You Won’t Hear On The Playground

Odis

Odis Meaning and Origin Odis is a boy's name meaning "wealth" and is of German origin. It’s short, it’s adorable, and it’s easy for little ones to learn how to spell. Fellow lovers of old-fashioned names, do not sleep on Odis! You may also like: Otis, Omri, Osher...

Odysseus

Odysseus Meaning and Origin According to Greek legend, Odysseus is the king of Ithaca and the hero of the Trojan War. Odysseus is the hero in the story The Odyssey. He was the king of Ithaca and fought against the Trojans in the Trojan War. Posts with the name...

Oisin

The name Oisin is an Irish boy’s name meaning: “little deer”.

Okello

Okello Meaning and Origin The name Okello is a boy's name meaning "born after twins" and is of African origin. Posts with the name Okello: Rare and Exotic African Baby Names

Olaf

Olaf Meaning and Origin The name Olaf is a boy's name meaning "ancestor, heir" and is of Scandinavian origin. From Old Norse Óláfr derived from anu ‘ancestor’ and leifr ‘heir, descendant’. Posts with the name Olaf: Boy Names with Norse Roots for Your Modern...

Olavi

Olavi Meaning and Origin Olavi is a boy's name of Finnish origin, meaning "ancestor". Finnish form of the name Olaf. Posts with the name Olavi:  Finnish Baby Names for Boys

Olen

Olen Meaning and Origin The name Olen is a boy’s name meaning “relic” and is of Norse origin.  Posts with the name Olen: 100 Boy Names You Haven’t Heard Of Boy Names with Norse Roots for Your Modern Viking

Oliver

Oliver is a Latin name meaning: “olive tree”.

Ollivander

Ollivander Meaning and Origin The name Ollivander is a boy's literary name.  Posts with the name Ollivander: 50 Surnames For Boys That Aren’t Overused

Olsen

Olsen Meaning and Origin Olsen is a boy's name of Danish-Norwegian origin meaning "son of Ole." Posts with the name Olsen: 100 Baby Names For Boys That Are Super Rare

Omari

Omari Meaning and Origin The name Omari is a boy's name meaning "God is exalted" and is of African Swahili origin. Current Popularity: #500. Posts with the name Omari: Rare and Exotic African Baby Names

Omero

Omero Meaning and Origin Omero is a boy's name meaning "security, pledge, or hostage" and is of Greek origin. Posts with the name Omero: 24 Insanely Rare Names for Boys That You Haven’t Heard

Omri

The boy’s name Omri is a Hebrew name meaning: “sheaf of grain”.

Onni

Onni Meaning and Origin Onni is a boy's name of Finnish origin, meaning "happiness, luck". One of the most popular names for boys in Finland. Posts with the name Onni:  Finnish Baby Names for Boys

Onofre

Onofre Meaning and Origin The name Onofre is a boy's name meaning "he who opens the good" and is of Spanish origin. From an Egyptian saint’s name.

Orbison

Orbison Meaning and Origin Orbison is a boy's name meaning "farmstead or village of a man called Orri" and is of Scandinavian origin. Posts with the name Orbison: Rockabilly Baby Names for Girls and Boys

Orel

Orel Meaning and Origin Orel is a boy's name meaning "eagle" and is of Russian origin.  Posts with the name Orel: The Cutest Russian Baby Names You'll Want to Steal

Oren

A Biblical name meaning ‘pine tree’ in Hebrew, mentioned in a genealogy (1 Chronicles 2:25).

Orlock

Orlock Meaning and Origin The name Orlock is a modern boy's invented name reminiscent of Warlock, a male who practices witchcraft. Posts with the name Orlock: 60 Goth Baby Names from the Darkside for Girls and Boys

Orlow

Orlow Meaning and Origin The name Orlow is a boy's name meaning "eagle" and is of German and Polish origin.  Posts with the name Orlow: Whimsical & Enchanting Names for Boys

Orren

Orren Meaning and Origin Orren is a boy's name meaning "pine tree" and is of Hebrew origin.  Posts with the name Orren: 30 Vintage Baby Names Lost in Time That Actually Sound Quite Modern 30 Rare Baby Boy Names That Aren’t Being Used

Orson

Orson Meaning and Origin Orson is a boy’s name of French origin, meaning: “bear cub.” From a Norman French name meaning ‘bear-cub’ a diminutive of ors ‘bear’, Latin ursus. This name hasn’t been on the popularity list for decades, so the odds are great that he’ll never...

Ortiz

Ortiz Meaning and Origin Ortiz is a boy's name meaning "son of Orti" and is of Spanish origin. Posts with the name Ortiz: Rockabilly Baby Names for Girls and Boys 30 Cool Unusual Undiscovered Boy Names

Osbert

Osbert Meaning and Origin The name Osbert is a boy's name meaning "God famous" and is of English origin. From Old English ōs ‘god’ and beorht ‘bright, famous’.

Osborn

Osborn Meaning and Origin The name Osborn is a boy’s name meaning “God bear” and is of English origin. From Late English name composed of ōs ‘god’ and beorn ‘bear, warrior’ (both of Scandinavian origin). Posts with the name Osborn: 100 Boy Names You Haven’t Heard...

Oscar

Oscar is an Irish name meaning: “friend of deer”.

Osher

Osher Meaning and Origin Osher is a boy's name meaning "happiness" and is of Hebrew origin. Posts with the name Osher: Prepare to Fall for These 20 Unique Jewish Hebrew Names

Osian

Osian Meaning and Origin Osian is a boy’s name of Irish origin, meaning: “little dear.” Anglicized form of Oisín, a name found in Irish mythology. Oisín was a warrior and the greatest poet of Ireland. Posts with the name Osian: 25 Adorable Irish Names for Boys That...

Osias

Osias Meaning and Origin Osias is a boy’s name of Greek origin, meaning: “salvation.”  Posts with the name Osias: 100 Unique Names for Boys You Won’t Hear On The Playground

Osiris

Osiris Meaning and Origin The name Osiris is a boy's name meaning "God of the afterlife" and is of Egyptian origin. Posts with the name Osiris: Whimsical & Enchanting Names for Boys

Oskar

Oskar Meaning and Origin Oskar is a boy’s name of German origin, meaning: “God spear.”  Posts with the name Oskar: Adorable German Names You Should Consider

Oskari

Oskari Meaning and Origin Oskari is a boy's name of Finnish origin, meaning "leaping warrior". Finnish form of Oscar. Posts with the name Oskari:  Finnish Baby Names for Boys

Ossian

Ossian Meaning and Origin The name Ossian is a boy's name meaning "stag" and is of Scottish origin. This name exhibits a bold, independent spirit. Posts with the name Ossian: Rare and Unique Scottish Baby Names Straight from the Highlands 100 Boy Names You Haven’t...

Osten

Osten Meaning and Origin Osten is a boy's name of French and Latin origin meaning "magnificent." Posts with the name Osten: 100 Baby Names For Boys That Are Super Rare

Oswald

Oswald Meaning and Origin The name Oswald is a boy's name meaning "divine ruler" and is of English origin. Derived from Old English os ‘god’ and weald ‘power, ruler’. NICKNAMES: Oz, Ozzie. Posts with the name Oswald: 100 Forgotten Vintage Names for Girls and...

Othello

Othello Meaning and Origin The name Othello is a boy's from the name of a Shakespearian tragedy. Italian diminutive of OTHO. Posts with the name Othello: Whimsical & Enchanting Names for Boys

Othieno

Othieno Meaning and Origin The name Othieno is a boy's name meaning "born at night" and is of African Luo origin. Posts with the name Othieno: Rare and Exotic African Baby Names

Otis

Otis is a German name meaning: “wealthy”.

Otmar

Otmar Meaning and Origin Otmar is a boy’s name meaning “rich fame” and is of Irish origin. From Germanic od, ot ‘riches’ and mar ‘fame’.  

Oton

Oton Meaning and Origin Oton is a boy's name of German, Italian and Spanish origin meaning "wealth, powerful lord." Posts with the name Oton: 100 Baby Names For Boys That Are Super Rare

Otso

Otso Meaning and Origin Otso is a boy's name of Finnish origin, meaning "bear".  Posts with the name Otso:  Finnish Baby Names for Boys

Otto

Otto Meaning and Origin Otto is a boy's name meaning "wealth, prosperity" and is of German origin. Current Popularity: #386. Posts with the name Otto: 50 Unheard of Unique and Totally Wearable Boys Names

Ove

Ove Meaning and Origin The name Ove is a boy's name meaning "blade or terror" and is of Danish origin. From Aghi a short form of various Old Norse names containing the element ag ‘edge of a weapon’ or ‘awe, terror’. Posts with the name Ove: Boy Names with Norse Roots...

Owney

Owney Meaning and Origin The name Owney is a boy's name meaning "green" and is of Irish and Gaelic origin. Owney is an alternate form of Hewney. Posts with the name Owney: 32 Celtic Baby Names for Boys

Ozias

Ozias Meaning and Origin Ozias is a boy's name meaning "salvation" and is of Greek origin. Posts with the name Ozias: 20 Cute and Unique Middle Names for Boys You Haven't Thought Of Yet

Ozzie

Ozzie Meaning and Origin Ozzie is a boy's name meaning "bear god or God's power" and is of Norse and German origin. Posts with the name Ozzie: 50 Unheard of Unique and Totally Wearable Boys Names Boy Names with Norse Roots for Your Modern Viking 50 Cute Baby Boy Names...

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