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