Baby Names Starting with O
139 baby names that begin with O, sorted by current US popularity. Tap any name for meaning, origin, popularity history, sibling-name pairings, and middle-name ideas.
- OscarDivine spear
- OliviaOlive tree, peace
- OpalJewel
- OlgaHoly
- OliverOlive tree planter
- OtisWealth
- OliveOlive tree
- OllieOlive tree
- OraPrayer, golden
- OwenYoung warrior, noble born
- OmarSpeaker, eloquent
- OrvilleGold town
- OrlandoFamous in the land
- OlaAncestral heritage
- OttoWealth, prosperity
- OdessaJourney
- OpheliaHelp, advantage
- OdellWealthy
- OctaviaEighth
- OmaMy life
- OdisWealthy
- OrvalGolden valley
- OlinHolly, family heritage
- OnaGrace, unity
- OfeliaHelp
- OlenHoly
- OmerSheaf
- OrenPine tree
- OrphaNeck, nape
- OletaWinged
- OnyxBlack gemstone
- OceanThe sea
- OzzyDivine power
- OziasSalvation of God
- Osiris
- OaklynnOak tree lake
- OakleeOak meadow
- OaklynOak tree lake
- OakleighOak meadow
- OuidaFamous fighter
- OctavioEighth
- OrinPine tree
- OrrinPine tree
- OttisRich
- OsvaldoDivine power
- OranGreen
- ObieServant of God
- OswaldGod's power
- OthoWealth, fortune
- OssieNoble descendant
- OralNoble descendant
- OnealNoble descendant
- OrionNoble descendant
- OlympiaNoble descendant
- OzellaNoble descendant
- OlanNoble descendant
- OlafNoble descendant
- OdeliaNoble descendant
- OrlandNoble descendant
- OneidaNoble descendant
- OrvilNoble descendant
- OdetteLittle one
- OmegaNoble descendant
- OleviaNoble descendant
- OleNoble descendant
- OakleyNoble descendant
- OswaldoNoble descendant
- OrisAuric
- OctaviusEighth
- OrieNoble descendant
- OzzieNoble descendant
- OsborneNoble descendant
- OkeyOak tree
- OtiliaProsperous in battle
- OleneHoly, sacred
- OvaEgg
- OmariGod the highest
- OdaWealth, riches
- OrlinGolden
- OneilDescendant of Niall
More ways to browse
All 139 names starting with O
- Oscar
- Olivia
- Opal
- Olga
- Oliver
- Otis
- Olive
- Ollie
- Ora
- Owen
- Omar
- Orville
- Orlando
- Ola
- Otto
- Odessa
- Ophelia
- Odell
- Octavia
- Oma
- Odis
- Orval
- Olin
- Ona
- Ofelia
- Olen
- Omer
- Oren
- Orpha
- Oleta
- Onyx
- Ocean
- Ozzy
- Ozias
- Osiris
- Oaklynn
- Oaklee
- Oaklyn
- Oakleigh
- Ouida
- Octavio
- Orin
- Orrin
- Ottis
- Osvaldo
- Oran
- Obie
- Oswald
- Otho
- Ossie
- Oral
- Oneal
- Orion
- Olympia
- Ozella
- Olan
- Olaf
- Odelia
- Orland
- Oneida
- Orvil
- Odette
- Omega
- Olevia
- Ole
- Oakley
- Oswaldo
- Oris
- Octavius
- Orie
- Ozzie
- Osborne
- Okey
- Otilia
- Olene
- Ova
- Omari
- Oda
- Orlin
- Oneil
- Obed
- Orson
- Oletha
- Orvel
- Oliva
- Omie
- Orvin
- Onnie
- Olinda
- Osbaldo
- Orvis
- Orris
- Orlan
- Orlo
- Orman
- Olean
- Odella
- Odile
- Onalee
- Ovid
- Othel
- Orren
- Ovidio
- Orrie
- Owens
- Obert
- Orbie
- Octavious
- Orange
- Odus
- Ogden
- Olie
- Obadiah
- Octaviano
- Overton
- Orlanda
- Olden
- Ormond
- Oval
- Osborn
- Orley
- Ontario
- Osman
- Othello
- Orbin
- Oather
- Octave
- Olando
- Onesimo
- Ollis
- Orel
- Oley
- Odes
- Ovie
- Odin
- Olivier
- Oreste
- Osama
- Odean