Names that start with O
384 different O-names were given to U.S. babies in 2025, and Oliver led them with 14,963 newborns. Compare all 1,406 names on record by a single year, a recent range, or their complete history.
Filter O-names
Only names beginning with O are included below.
1,406 of 1,406 O-names match
O-names in 2025
Showing 1–200 of 1,406
- OliverFrom Old French Olivier, traditionally associated with Latin oliva ("olive tree"), though many scholars trace it instead to a Germanic name such as Alfher or to Old Norse ÁleifrFrench14,963
- OliviaPopularized, and possibly coined, by Shakespeare for Twelfth Night, most likely as a Latinate feminine of Oliver or a derivative of Latin oliva, "oliveLatin13,554
- OwenA Welsh name usually explained as a form of Eugenius (Greek, "well-born"), though a native Celtic origin has also been proposedWelsh7,223
- OakleyFrom the oak wood or clearing, derived from an English surname originally referring to someone who lived near an oak tree or woodlandEnglish2,621
- OaklynnOak tree meadow or clearingModern coinage1,973
- OscarDebatedIrish1,620
- OliveOlive treeEnglish1,604
- Omarflourishing, long-lived, or eloquentArabic1,333
- OttoWealth, fortuneGerman1,241
- OpheliaOf uncertain originLiterary1,183
- OnyxFrom the name of the black gemstoneEnglish1,036
- OrionOf uncertain originGreek1,030
- OctaviaThe number eight, from the Latin word for eighthLatin982
- OpalOpal, a precious gemstone known for its iridescent play of colorEnglish740
- OceanRefers to the large body of salt water that covers most of the Earth's surfaceModern coinage720
- OakleeOak meadowEnglish640
- OzzyDiminutive of Oswald, meaning 'divine power' or 'god ruler'English618
- OdinThe meaning is debatedScandinavian604
- OaklynA modern coinage derived from the tree name 'oak' plus the fashionable suffix '-lyn', suggesting an oak tree or meadowModern coinage479
- OakleighOak meadowEnglish423
- OtisWealth, fortune, or a variant of the Old German name Odo, implying prosperityGerman422
- OmariGod is high, exalted, or most highArabic404
- OziasGod is my salvationHebrew381
- OdetteWealth, fortuneFrench303
- OllieDiminutive of Oliver, which likely derives from an Old French form of a Germanic name meaning 'elf warrior' or 'elf army'English287
- OrlandoFamous throughout the land, from the Italian form of RolandItalian275
- OzielGod is my strengthHebrew229
- OsirisPossibly meaning 'mighty' or 'powerful' in ancient Egyptian, but the exact meaning is uncertainModern coinage215
- OaklandFrom the land of oaksEnglish208
- OdessaOf uncertain originGreek193
- OsmanYoung snake or dragonArabic181
- OrenOf debated originIrish174
- OzzieA diminutive of names beginning with Os- or Oz-, often Osborn or Oswald, meaning 'divine bear' or 'godly power'English164
- OctavioEighth, the eighth-born childLatin154
- OsvaldoGod's power or divine rulerEnglish130
- OrsonLittle bearEnglish126
- OsielGod is my strengthHebrew123
- OrianaOf uncertain origin, possibly meaning 'golden' or 'dawn'Latin113
- OriOf uncertain originHebrew107
- ObadiahServant of GodHebrew104
- OskarSpear of the godsScandinavian93
- OrhanOf disputed origin, possibly meaning 'great commander' or 'grand vizier' from Turkish or Persian elementsArabic92
- OfeliaHelp, or possibly serpent or venomGreek87
- OziahOf uncertain origin, possibly a variant of Isaiah or derived from Hebrew 'oz' meaning 'strength'Modern coinage87
- OlinOf uncertain originScandinavian86
- OrinOf uncertain origin, possibly derived from Irish Gaelic or Hebrew, or a modern invented nameIrish85
- OlympiaOf Mount Olympus, the home of the Greek godsGreek84
- OsloOf uncertain originModern coinage78
- OdenFury, rage, inspiration, or poetryScandinavian74
- ObedServant of God, worshiperHebrew72
- OctaviusEighth-born or eighth childLatin72
- OmerA biblical name of uncertain meaning, possibly derived from Hebrew 'omer' meaning 'sheaf of grain' or 'speech'Hebrew70
- OrlaGolden princess or golden sovereignIrish70
- OaklenCombination of the tree name Oak with the popular suffix lenModern coinage68
- OswaldGod's power or divine ruleEnglish67
- OmThe sacred syllable and mantra in Hinduism, Buddhism, and Jainism, representing the essence of the ultimate reality or consciousnessSanskrit66
- OlsenSon of Ole or OlafScandinavian66
- OrrinOf uncertain originHebrew62
- OonaOneIrish62
- OsmarDivine fameEnglish59
- OakRefers to the sturdy oak tree, symbolizing strength and enduranceEnglish59
- OttilieProsperity, fortuneGerman57
- OdeliaWealth, fortune, or possibly a form of OdiliaHebrew56
- OakesFrom the place name meaning 'oak trees' (Old English āc 'oak' + plural suffix) likely referring to someone who lived by oak grovesEnglish56
- OsheaOf uncertain originIrish54
- OaklieOf uncertain originModern coinage54
- OsiahOf uncertain originModern coinage54
- OriannaOf uncertain originEnglish53
- OmarionModern name, likely a blend of Omar and the popular suffix -ionModern coinage52
- OlivierOlive tree or olive branch, a symbol of peaceFrench52
- OctavianEighth, born in the eighth month (October) or the eighth childLatin51
- OlgaholySlavic50
- OctoberOctober is a month name derived from the Latin word for 'eighth month' in the ancient Roman calendarModern coinage49
- OlyviaOlive tree, symbolizing peaceEnglish48
- OthnielLion of God or God is my strengthHebrew47
- OjasVigor, vitality, or spiritual energy in Hindu philosophySanskrit46
- OdysseusOf uncertain meaningGreek44
- OceanaOcean, from the vast body of waterModern coinage43
- OsiasSalvation of YahwehHebrew43
- OaksOak treeEnglish43
- OswaldoGod's power or divine powerEnglish41
- OraOf uncertain originModern coinage40
- OhanaFamilyHawaiian40
- Owaisa wolf, symbolizing strength and courageArabic40
- OseiasYahweh savesPortuguese40
- OdalysOf uncertain originModern coinage39
- OmriMy sheaf or bundle of grainHebrew39
- OumarOf debated originArabic38
- OryanLittle lionHebrew36
- OasisA fertile spot in a desert, figuratively a refuge or source of reliefModern coinage36
- OdysseyEpic journey or quest, after Homer's OdysseyLiterary35
- OumouMother (from Arabic Umm), often used as an honorific or in compound namesArabic35
- OthmanYoung hawk or young serpentArabic34
- OshunOf uncertain origin, likely derived from the Yoruba deity Ọ̀ṣun, representing the goddess of love, fertility, and riversAfrican34
- OlenOf uncertain originScandinavian33
- OzOf uncertain originModern coinage33
- OlaniDerived from the Yoruba element 'ọlá' meaning 'wealth, honor' or from Swahili 'olani' meaning 'heaven, sky'African33
- OmegaThe last letter of the Greek alphabet, symbolizing the end or ultimate limitGreek32
- OusmaneMeaning debatedAfrican31
- OllivanderProbably a modern invented name, possibly inspired by the surname Ollivander from the Harry Potter seriesModern coinage30
- OlsonSon of Ole or Olaf, from the Old Norse personal name ÓláfrScandinavian30
- OrlyOrly is a modern coinage, likely derived from the Hebrew name Orli or as a respelling of Orlee, both meaning 'light is mine' or 'my lightModern coinage29
- OpieOf uncertain origin, possibly a diminutive of names containing the element 'op-' or a variant of 'Opal'Modern coinage29
- ObiOf uncertain originEnglish29
- OnixOf uncertain originModern coinage28
- OlivetteFrom the olive treeFrench26
- OaklanOakland, a place name meaning 'oak land'Modern coinage25
- OriyahOf uncertain originModern coinage25
- OvidioOf uncertain originLatin24
- OlliverA spelling variant of Oliver, typically meaning 'olive tree' or 'elf army'English24
- OrielDerived from the French word 'oriel,' referring to a projecting bay window, or possibly a variant of Aurelius meaning 'goldenEnglish24
- Oseasof uncertain originSpanish24
- OdellOf uncertain originEnglish23
- OmidHope, aspiration, or expectationPersian23
- OstinOf uncertain origin, likely a variant of Austin, which is a medieval English given name derived from the Latin 'Augustinus,' meaning 'great' or 'majesticEnglish23
- OaklynneModern invented name combining the tree name 'Oak' with popular suffixes -lyn and -ne, evoking a natural, feminine imageModern coinage23
- OlennaMost likely a feminine form of Olen or a variant of Alena, possibly meaning 'bright' or 'shining'Modern coinage23
- OnyxxOf uncertain originModern coinage23
- Oleander23
- OsborneDivine bear, from Old English personal name OsbeornEnglish22
- OrlinPossibly derived from Old English meaning 'from the hill' or a variant of OrlandEnglish22
- OisinLittle deerIrish22
- OrliA variant of the Hebrew name Orly, meaning 'light for me' or 'my light'Hebrew22
- OnaPossibly of uncertain originIrish21
- Oleancestor's descendant or relicScandinavian21
- OlenaLight, torch, or shining oneSlavic21
- OlvinOf uncertain originEnglish21
- OmniMeans 'all' or 'every', from the Latin prefix omni-Modern coinage21
- OlivianaOlive tree or derived from OliviaModern coinage21
- OmirOf uncertain originArabic21
- OviOf uncertain originModern coinage21
- Ormani21
- OcieDiminutive of names beginning with the sound 'O', often used as a nickname for Oceana, Odelia, or similarModern coinage20
- OrianOf uncertain originModern coinage20
- OdynModern variant of Odin, the name of the chief god in Norse mythologyModern coinage20
- OaklinOf uncertain originModern coinage20
- OakenOf uncertain originModern coinage20
- OlannaOf uncertain originModern coinage20
- OranLittle pale green one or light greenIrish19
- OluwadarasimiThe Lord is with me, or God is with meAfrican19
- OtiliaWealth, fortuneGerman18
- OsamaLion, or more poetically 'like a lion' (ascribed from Arabic 'usāmah')Arabic18
- OriahMy light is the Lord, of debated derivationModern coinage18
- Olivanderof uncertain originLiterary18
- OdieUncertainEnglish17
- OctaviousEighth, as in the eighth child or born in the eighth monthLatin17
- OcielOf uncertain originModern coinage17
- OzanOne who is able to understand deeplyModern coinage17
- OberonOriginally a French heroic name of uncertain meaning, possibly derived from a Germanic compound meaning 'bear' or 'noble bear'Literary17
- Ozziel17
- Ozzi17
- Obaida17
- OlivaOlive treeLatin16
- OdiliaPossibly derived from the Germanic element 'od' meaning 'wealth' or 'fortune'German16
- ObinnaFather's heartAfrican16
- OwynDerived from the Welsh 'Owain', possibly meaning 'youth' or 'well-born'Welsh16
- OrestMountain dwellerGreek16
- ObsidianA hard, dark volcanic glass formed by rapid cooling of lavaModern coinage16
- OdisOf uncertain originEnglish15
- OttisOne of uncertain meaning, possibly a variant of Otis, which may derive from a surname meaning 'son of Ote' (Ote being a medieval given name of uncertain origin) or from the Old German name Odo, meaning 'wealth' or 'fortune'English15
- OtonielGod is my strength, derived from HebrewHebrew15
- OksanaPraise to GodSlavic15
- OreoluwaA gift from God, specifically denoting a piece of God's wealth or favorAfrican15
- OllinMovement or earthquakeNative American15
- OdayOf debated originArabic15
- OliOlive tree or elf army, depending on originScandinavian15
- OrvilleFrom a French surname meaning 'golden town'French14
- OsbaldoGod's powerEnglish14
- OlanOf uncertain originIrish14
- OswinFriend of God or divine friendEnglish14
- OlyverVariant of Oliver, possibly meaning 'olive tree' or 'elf army'English14
- OlivetOlive tree, or a place name referring to the Mount of OlivesEnglish14
- Ozlo14
- OlaAncestor's relicScandinavian13
- Ottiliaprosperity, fortuneGerman13
- OsmondDivine protectionEnglish13
- OlinaOf uncertain originHawaiian13
- OmeliaOf uncertain originEnglish13
- OliviagraceOliviagrace combines the meanings of Olivia ('olive tree' or 'olive branch', a symbol of peace) and Grace ('favor' or 'blessing')Modern coinage13
- OlivineFrom the olive treeEnglish13
- OmranProsperity, thriving, or civilizationArabic13
- OhemaaChief's daughter, princess, or female leaderAfrican13
- Odeya13
- Oracle13
- OraliaOf uncertain originSpanish12
- OwensSon of Owen, or noble-bornWelsh12
- OnnaOf uncertain originModern coinage12
- OsminOf uncertain originSlavic12
- Olimpiaof Olympus, the mountain home of the Greek godsLatin12
- OsmaraOf uncertain origin, possibly a modern coinage combining elements from names like Osma and MaraModern coinage12
- OwynnOf uncertain originModern coinage12
- OlianaVariant of Olena or Oliana, possibly relating to the Greek Helene meaning 'torch' or 'sunbeam'Modern coinage12
- OmiOf uncertain originModern coinage12
- OvadiaServant of GodHebrew12
- OdaiOne who has a strong and determined characterArabic12
- OakleiOf uncertain originModern coinage12
- Oaklea12
- Olli12
- Oso12
- Ozion12