If you’re looking for baby boy names starting with the letter O or are just browsing letters of the alphabet to get baby name inspiration, we want to help you weigh your options. You may be considering a popular name like Oliver or looking for an incredibly unique boy name like Olav. In either case; you’re sure to discover the perfect name for your little one. From Oakley to Ozzie, we have curated a list of popular boy names and unique boy names starting with the letter O and the meanings and origin of each name. Without further ado, let the baby’s name browsing begin.
Oakley
Gender-neutral. English origin, meaning: Oak wood or clearing
Obadias
Boy. Hebrew origin, meaning: Servant of God
Oben
Boy. Old Norse origin, meaning: Divine bear
Oberon / Oberyn
Boy. German origin, meaning: Noble and bear-like
Obsidian
Boy. Latin origin, meaning: Of Obsidius
Ocean
Gender-neutral. Greek origin, meaning: Sea
Octans
Boy. Latin origin, meaning: The eighth part of a circle
Octavian
Boy. English via Latin origin, meaning: Eighth
Octavius
Boy. Latin origin, meaning: Eighth
Odakota
Boy. Native American origin, meaning: Friend
Oded
Boy. Hebrew origin, meaning: Upholder, encourager
Odgen
Boy. English origin, meaning: Oak valley
Odhran
Boy. Irish origin, meaning: Little pale green one
Odin
Boy. Norse origin, meaning: God of frenzy, poetic fury
Odion
Boy. African origin, meaning: First born of twins
Odis
Boy. German origin, meaning: Wealth
Odon
Boy. English origin, meaning: Prosperous protection
Odysseus
Boy. Greek origin, meaning: Wrathful
Oisin
Boy. Irish origin, meaning: Little deer
Okello
Boy. African origin, meaning: Born after twins
Olaf / Olav
Boy. Scandinavian origin, meaning: Ancestor, heir
Olander
Boy. Swedish origin, a habitational name for someone from the island of Öland
Olavi
Boy. Finnish origin, meaning: Ancestor
Olavo
Boy. Portuguese origin, meaning: Descendant ofÂ
Olek
Boy. Ukrainian origin, meaning: Defender of humankind
Olen
Boy. Norse origin, meaning: Relic
Olin
Boy. Scandinavian origin, meaning: Â Ancestor’s Heir
Oliver / Olivier / Olliver
Boy. Latin origin, meaning: Olive tree
Oliverio
Boy. Italian origin, meaning: Olive tree
Olle
Boy. Swedish origin, meaning:Â Ancestor’s relic
Ollivander
Boy. Literary name
Olsen
Boy. Danish-Norwegian origin, meaning: Son of Ole
Olvir
Boy. Norse origin, meaning: Affectionate
Olysseus
Boy. Greek origin, meaning: Full of wrathÂ
Omar / Omer
Boy. Arabic origin, meaning: Flourishing, long-lived
Omari
Boy. African Swahili origin, meaning: God is exalted
Omarion
Boy. African American origin, meaning: Flourishing
Omero
Boy. Greek origin, meaning: Security, pledge, or hostage
Omid
Boy. Persian origin, meaning: Hope
Omri
Boy. Hebrew origin, meaning: Sheaf of grain
Onek
Boy. German origin, meaning: Wealthy
Onni
Boy. Finnish origin, meaning: Happiness, luck
Onofre
Boy. Spanish origin, meaning: He who opens the good
Onyx
Gender-neutral name of Greek origin, meaning: Fingernail or claw, black gemstone
Orazio
Boy. Italian origin, meaning: Prayer
Orban
Boy. Hungarian surname
Orbison
Boy. Scandinavian origin, meaning: Farmstead or village of a man called Orri
Orell / Orel
Boy. Russian origin, meaning: Eagle
Oren / Oran / Orran
Boy. Hebrew origin, meaning: Pine tree
Orestes
Boy. Greek origin, meaning: From the mountain
Orhan
Boy. Turkish origin, meaning: Great leader
Orion
Gender-neutral. Greek mythology name, meaning: Boundary, limit, constellation
Orlando
Boy. Italian origin, meaning: Famous land
Orlock
Boy. Invented name
Orlow
Boy. German and Polish origin, meaning: Eagle
Orren
Boy. Hebrew origin, meaning: Pine tree
Orson
Boy. French origin, meaning: Bear cub
Orsric
Boy. English origin, meaning: Divine ruler
Ortiz
Boy. Spanish origin, meaning: Son of Orti
Orville
Boy. English origin, meaning: Golden town
Osbert
Boy. English origin, meaning: God famous
Osborn / Osbourne
Boy. English origin, meaning: God bear
Oscar
Boy. Irish origin, meaning: Friend of deer
Osher
Boy. Hebrew origin, meaning: Happiness
Osian
Boy. Irish origin, meaning: Little dear
Osias
Boy. Greek origin, meaning: Salvation
Osiris
Boy. Egyptian origin, meaning: God of the afterlife
Oskar
Boy. German origin, meaning: God spear
Oskari
Boy. Finnish origin, meaning: Leaping warrior
Oslo
Boy. Norwegian origin, meaning: The meadow beneath the hill
Osman
Boy. Scandinavian origin, meaning: God’s protection
Osmund
Boy. English origin, meaning: Divine protection
Oson
Boy. Brazilian origin, meaning: Summer
Osric
Boy. English origin, meaning: Divine ruler
Ossian
Boy. Scottish origin, meaning: Stag
Osten / Ostin
Boy. French and Latin origin, meaning: Magnificent
Osvaldo
Boy. German origin, meaning: God’s power
Oswald
Boy. English origin, meaning: Divine ruler
Othello
Boy. the name of a Shakespearian tragedy, Italian diminutive of Otho.
Othieno
Boy. African Luo origin, meaning: Born at night
Otis
Boy. German origin, meaning: Wealthy
Otmar
Boy. Irish origin, meaning: Rich fame
Oton
Boy. German, Italian and Spanish origin, meaning: Wealth, powerful lord
Otso
Boy. Finnish origin, meaning: Bear
Otto
Boy. German origin, meaning: Wealth, prosperity
Ouray
Gender-neutral. Native American origin, meaning: Arrow
Ove
Boy. Danish origin, meaning: Blade or terror
Owain
Boy. Welsh origin, meaning: Youth
Owen
Gender-neutral. Irish and Welsh origin, meaning: Noble, youthful, and well-born
Owney
Boy. Irish and Gaelic origin, meaning: Green
Ozan / Ozhan
Boy. Arabic origin, meaning: Poet
Ozias
Boy. Greek origin, meaning: Salvation
Ozzie / Ozzy
Boy. Norse and German origin, meaning: Bear god or God’s power