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 401–600 of 1,406
- OrisOf uncertain originEnglish—
- OvaMeaning uncertainEnglish—
- OttiePossibly a diminutive of names like Ottilie or Otto, meaning 'wealth' or 'prosperity'English—
- OnnieOf uncertain originEnglish—
- OdaWealthy or fortunate, or possibly a feminine form of OttoGerman—
- OnetaOf uncertain originEnglish—
- Okeyof uncertain originEnglish—
- OleneDerived from a diminutive of names like Ola or Ellen, possibly meaning 'light' or 'torch'English—
- OlethaPossibly a variant of Ophelia or a feminine form of Olen, but of uncertain originEnglish—
- Oteliaof uncertain originEnglish—
- OmieOf uncertain originModern coinage—
- OnitaOf uncertain originEnglish—
- OrethaOf uncertain originGreek—
- OrvelOf uncertain originEnglish—
- OrvinPossibly derived from Old English elements meaning "spear friend" or a variant of OrwinEnglish—
- OlindaOf uncertain originGreek—
- Oreneof uncertain origin, possibly a variant of Irene or a feminine form of OrenEnglish—
- OlieVariant of Oliver or OllieEnglish—
- OrrieOf uncertain originEnglish—
- OrrisOf uncertain originEnglish—
- OrvisOf uncertain originEnglish—
- OrloOf uncertain etymologyEnglish—
- Ormanof uncertain origin, possibly derived from an English surname meaning 'servant' or from Turkish meaning 'forest'English—
- OthelOf uncertain origin, possibly a variant of Otho or OtisEnglish—
- OntarioOf uncertain originModern coinage—
- OleanProbably a coined name, possibly derived from the word 'oleander' or a combination of 'Olive' and the suffix '-ean'Modern coinage—
- Oneitaof uncertain origin, possibly a feminine form of O'Neill or a variant of OnidaModern coinage—
- OmayraOf uncertain origin, possibly a variant of Omaira or a feminine form of Omar, meaning "flourishing" or "long-lived"Spanish—
- OndreaPossibly a feminine form of Andre, meaning 'manly' or 'warrior'English—
- OrlandaOf uncertain originItalian—
- OdileWealthy, prosperousFrench—
- OvidOf uncertain meaning, possibly 'shepherd' or 'wolf'Latin—
- Odeanof uncertain origin, possibly a modern invented nameModern coinage—
- OthellaPossibly a feminine form of Othello, which is of uncertain originLiterary—
- OrmaOf uncertain originEnglish—
- OctavianoEighth, belonging to the eighth child or eighth-bornItalian—
- OraleeOf uncertain originModern coinage—
- OrbieDiminutive of Orban, a surname derived from the Latin urbanus meaning 'of the city'English—
- OrlenaOf uncertain originEnglish—
- OdettaWealth, fortune, or possibly derived from the Germanic element 'od' meaning 'wealth' or 'fortuneFrench—
- OlandoFamous throughout the landItalian—
- ObertRich, bright, or famousEnglish—
- OrangeProbably derived from the name of the citrus fruit, but may also be an English surname or a variant of the name OrenEnglish—
- OrvaOf uncertain originEnglish—
- OdessiaOf uncertain originEnglish—
- OvalDerived from the English word for an egg-shaped curve, rarely used as a given nameEnglish—
- OddiePossibly a pet form of names beginning with Od- or a diminutive of OdellEnglish—
- OdessieProbably a feminine form of Odysseus, meaning 'to hate' or 'wrathful' in Greek, but the connection to the city of Odessa is also possibleGreek—
- OdusOf uncertain originEnglish—
- OnesimoBeneficial, profitable, or usefulGreek—
- OnedaOf uncertain meaningEnglish—
- OrleanOrigin uncertainModern coinage—
- OllaOf uncertain origin, possibly a variant of Ola or a short form of names like OliviaScandinavian—
- OvertonUpper settlement or settlement on the bankEnglish—
- OldenOf uncertain originEnglish—
- OrmondFrom the Irish surname, ultimately derived from a place name meaning 'east of the river' or 'east Munster'Irish—
- OtilaOf uncertain originGerman—
- OmarrOf debated originArabic—
- ObrianOf uncertain originModern coinage—
- OmeroHostage or pledgeItalian—
- OfiliahelpItalian—
- OrleyOf uncertain originEnglish—
- OrbinPossibly derived from the Latin word 'orbis' meaning 'circle' or 'orb', or a variant of OrvinEnglish—
- OctaveEighth, referring to the eighth child or an eighth-born sonLatin—
- OatherOf uncertain originModern coinage—
- OphaOf uncertain originHebrew—
- OshayOf uncertain originModern coinage—
- OdelleOf uncertain originEnglish—
- Oracioof debated originSpanish—
- OvellaOf uncertain originEnglish—
- OllisPossibly a variant of Oliver or derived from Old Norse ÓláfR, meaning 'ancestor's descendant'Modern coinage—
- OluwaseunGod has done this, or God has made this happenAfrican—
- OrleneUncertainModern coinage—
- OreeOf uncertain originModern coinage—
- OsualdoOf uncertain originSpanish—
- Oleyof uncertain originEnglish—
- OlineOf uncertain origin, possibly a variant of Olena or a feminine form of OleScandinavian—
- OtilioWealth or fortune, of uncertain derivation, possibly from a Germanic root related to 'prosperity'Spanish—
- OdesOdes is likely a surname transferred to first name use, ultimately from the Greek word for a lyric poem, but as a given name its meaning is not establishedEnglish—
- Oshaof uncertain originModern coinage—
- Orestemountain dwellerGreek—
- OrlieProbably a variant of Orley, which may derive from an English surname meaning 'meadow of the orioles' or a place nameEnglish—
- OrestesOf uncertain meaning, possibly 'mountain dweller' or related to Greek ōresteia, 'mountain range'Greek—
- OzelleOf uncertain originModern coinage—
- OtheliaPossibly a variant of Othelia, a feminine form of Otto, meaning 'wealth' or 'fortune', or derived from Greek 'othos' meaning 'to swell'German—
- OluwaseyiGod has made thisAfrican—
- OrlindaProbably a variant of Orlenda or an elaboration of names like Orla, with uncertain specific meaningEnglish—
- OrenaOf uncertain originHebrew—
- Ortenciaof uncertain origin, possibly a variant of Hortensia, which is derived from Latin 'hortus' meaning gardenSpanish—
- OdealOf uncertain originEnglish—
- OrazioOf debated originItalian—
- OluwatosinGod is worthy to be servedAfrican—
- OkieOf uncertain originModern coinage—
- OmarianLikely a modern coinage combining Omar with the suffix -ian, possibly intended to mean 'follower of Omar' or 'belonging to Omar'Modern coinage—
- OpleOf uncertain originModern coinage—
- Ollenof uncertain originModern coinage—
- Obryanof uncertain originEnglish—
- Obbieof uncertain originModern coinage—
- OrondeOf uncertain originModern coinage—
- Octavisof uncertain origin, possibly a Modern coinage influenced by the Latin 'Octavius' (eighth) or a respelling of 'Octavius'Modern coinage—
- OmeedHope, aspirationPersian—
- OniMeaning is uncertainAfrican—
- OrlynOf uncertain originModern coinage—
- OpelOf uncertain originModern coinage—
- OrenthalOf uncertain originModern coinage—
- OledaOf uncertain originModern coinage—
- Ondreof uncertain originModern coinage—
- OlandOf uncertain originEnglish—
- OluwatobilobaGod is great, God is worthy of praiseAfrican—
- OdalizOf uncertain originModern coinage—
- OnofrioGod is graciousItalian—
- OnisOf uncertain meaningModern coinage—
- OnicaOf uncertain originModern coinage—
- OrlenOf uncertain originModern coinage—
- OklaFrom a Native American word meaning 'red people' or possibly a place nameNative American—
- OlarOf uncertain originModern coinage—
- OrthaOf uncertain origin and meaningEnglish—
- OneishaOf uncertain originModern coinage—
- Onofredevotee of the sacred breadSpanish—
- OluwatoniThe name means "God is ours" or "God belongs to us" in YorubaAfrican—
- OluwakemiGod has cared for meAfrican—
- OthellProsperous man, from the Germanic roots *ōþ-* (wealth, fortune) and *-hari* (army, warrior), though the name is best known as a literary coinage popularized by ShakespeareModern coinage—
- OvilaOf uncertain originFrench—
- Oanhgraceful, fine, or cleverModern coinage—
- OrdellOf uncertain originEnglish—
- Orvillaof uncertain originEnglish—
- OliaA short form of Olga, meaning 'holy' or 'blessed'Scandinavian—
- OretaPossibly a feminine form of Orestes, meaning 'mountain dweller' in Greek, or an elaborated form of OraModern coinage—
- OrillaOf uncertain originModern coinage—
- OrvillOf uncertain originEnglish—
- Offieof uncertain originEnglish—
- OrettaOf uncertain originItalian—
- OmarieDerived from Omar, likely meaning 'flourishing' or 'long-lived' in ArabicArabic—
- Oberaof uncertain originEnglish—
- OvetaOf uncertain originModern coinage—
- OlaoluwaWealth of the Lord, or God's richesAfrican—
- OtaOf uncertain originJapanese—
- OlevaOf uncertain originModern coinage—
- OrtonOf uncertain originEnglish—
- OskerOf uncertain originIrish—
- ObrienDescendant of Brian (meaning 'hill' or 'noble')Irish—
- OsceolaOf uncertain origin, possibly from Creek "asi-yahola" meaning "black drink singerNative American—
- OrmandOf uncertain originIrish—
- OvedaOf uncertain meaningEnglish—
- OrellOf uncertain originModern coinage—
- OdiesOf uncertain originEnglish—
- OluchiGod's workAfrican—
- OlneyOf uncertain originEnglish—
- OnurHonor, integrity, or reputationModern coinage—
- OhmOf uncertain originModern coinage—
- OlandaThe name Olanda is of uncertain origin, but it is often considered a modern feminine elaboration of names like Olaf or a variant of YolandaModern coinage—
- OtherIn the context of baby names, "Other" is not a conventional given name but a statistical category used for rare or unclassified names, and it does not carry a traditional meaningModern coinage—
- OtieWealth, fortuneGerman—
- OthmarOf uncertain originGerman—
- OstenunknownModern coinage—
- OdelOf uncertain originEnglish—
- OnyaOf uncertain originModern coinage—
- OluwasemiloreGod has given me wealthAfrican—
- OlamaeFrom the Latin 'oliva' meaning 'olive' combined with the name MaeModern coinage—
- OvidaOf uncertain originLatin—
- OnettaOf uncertain originModern coinage—
- Ozaof uncertain originModern coinage—
- OthalOf uncertain originEnglish—
- OctavieThe feminine form of Octavius, derived from Latin 'octavus' meaning 'eighth'Latin—
- OphiaOf uncertain originGreek—
- OlanderOf uncertain originScandinavian—
- OneyOf uncertain originEnglish—
- OdesserOf uncertain originModern coinage—
- OrinePossibly a variant of names like Lorene or Doreen, or a feminine form of Oren, which means 'pine tree' in HebrewEnglish—
- OlumideMy God has come, or God arrivesAfrican—
- OyukiOf uncertain originJapanese—
- ObduliaPerhaps derived from the Latin word 'obdullus,' meaning 'hard' or 'steeled,' but the origin is uncertainSpanish—
- OnediaThe meaning of Onedia is uncertainNative American—
- OhnOf uncertain originModern coinage—
- OmareePossibly a variant of Omar, meaning 'flourishing' or 'long-lived' in Arabic, or an elaborated form of OmariModern coinage—
- OrdeanOf uncertain originModern coinage—
- OctaOf uncertain originLatin—
- OrlanderOf uncertain origin, possibly a modern invented name combining elements such as 'or' with a suffix like '-lander'Modern coinage—
- OtishaMeaning uncertainModern coinage—
- Orvettaof uncertain originModern coinage—
- OmuniqueA modern coined name likely formed from the prefix 'Om-' (as in Omari) with the suffix '-unique', suggesting a one-of-a-kind qualityModern coinage—
- OrbyOf uncertain originModern coinage—
- OmahOf uncertain originModern coinage—
- OreathaThe name is possibly a feminine form of Orestes or a variant of Oretha, but its exact meaning is uncertainEnglish—
- OsbyOf uncertain originEnglish—
- OlisOf uncertain originModern coinage—
- OdasOf uncertain originEnglish—
- OndineLittle wave, from the Latin 'unda' meaning waveLiterary—
- OnyinyechiGod's giftAfrican—
- OryOf uncertain originHebrew—
- OrraOf uncertain originEnglish—
- Orvanderived from an English surname of uncertain origin, possibly meaning 'spear friend'English—
- OlitaPossibly derived from the Spanish diminutive of Olalla, ultimately from Greek Eulalia, meaning 'well-spoken'Spanish—
- OsinachiFrom the heart (of God) or God's heartAfrican—
- OvideOf debated originFrench—
- OneliaOf uncertain originItalian—
- OrvieOf uncertain originModern coinage—
- OrvellOf uncertain origin, possibly a variant of Orville from French meaning 'golden town' or an invented nameEnglish—
- OdilonWealthy, prosperous, or of noble descent, though the exact meaning is uncertainFrench—
- OsazeGod is gracious or God has shown mercyAfrican—