Baby Names That Start With O
516 baby names beginning with the letter O — boys and girls, each with meaning and audio pronunciation.
The most-loved baby names starting with O, most-popular first. Tap any name to hear it pronounced and read its meaning.
Girl Names
Olivia#1 in the U.S.Olive tree; a symbol of peaceOaklynn#153 in the U.S.Modern coinage blending Old English āc (oak tree) with the popular feminine suffix -lynn (from Oakley#156 in the U.S.Oak clearing or oak meadow; from Old English ac (oak) + leah (clearing, meadow)Olive#197 in the U.S.Olive tree — from Latin oliva (olive tree, olive fruit), the ancient symbol of peace, wisdom, aOphelia#264 in the U.S.Help, aid; one who offers assistanceOctavia#308 in the U.S.Eighth; born as the eighth childOpal#423 in the U.S.From Sanskrit upala meaning precious stone or gem, via Latin opalus; the opal gemstone is knownOaklee#535 in the U.S.Feminine respelling of Oakley, from Old English ac ('oak') and leah ('clearing, meadow'), meaniOaklyn#637 in the U.S.A modern coined name combining the Old English ac ('oak tree') with the suffix -lyn (from Old EOakleigh#668 in the U.S.Variant spelling of Oakley, from Old English ac meaning oak tree and leah meaning wood, clearinOcean#787 in the U.S.The great sea or vast expanse of water; from the Latin oceanus and Greek okeanos, the mythologiOdette#883 in the U.S.French feminine diminutive of Oda or Ode, from Old High German Aud or Od meaning wealth, fortunOdessa#1197 in the U.S.Taken from the Black Sea city of Odessa, named after the ancient Greek colony Odessos and assocOnyx#1410 in the U.S.Black gemstone; from Greek onyx (fingernail, claw — the stone's layers resemble a fingernail)Oriana#1791 in the U.S.GoldOfelia#2148 in the U.S.Help, advantageOlympia#2210 in the U.S.of Olympus, heavenlyOllie#2294 in the U.S.olive tree, symbol of peaceOrla#2532 in the U.S.golden princessOzzy#2533 in the U.S.GodOona#2768 in the U.S.lambOttilie#2951 in the U.S.wealth, fortune, prosperityOdelia#2985 in the U.S.Origin uncertainOaklie#3063 in the U.S.Oak clearingOrianna#3094 in the U.S.Double-n elaboration of Oriana — possibly from Latin aurum, 'gold' (golden), or oriri, 'to riseOlga#3201 in the U.S.Holy, blessed; Russian form of Scandinavian Helga, from Old Norse heilagr, 'holy'Oakland#3282 in the U.S.Land of the oaks; an English-derived place name, and the California city, used as a girls' nameOlyvia#3283 in the U.S.Y-spelling of Olivia — from Latin oliva, 'olive', symbol of peaceOceana#3562 in the U.S.Feminine of Oceanus — from Greek Okeanos, 'the ocean; the great sea that encircles the earth'Ozzie#3694 in the U.S.Origin uncertainOctober#3758 in the U.S.The tenth month; from Latin octo, 'eight', as the eighth month of the old Roman calendarOhana#3759 in the U.S.Family, kin group; the Hawaiian word for extended family, popularized as a name by Lilo & StitcOra#3760 in the U.S.Light; from Hebrew orah, a modern Israeli nameOdalys#3821 in the U.S.From Germanic odal, 'wealth, heritage, homeland'; a Spanish feminine name (related to Odalric/OOumou#4146 in the U.S.From Arabic umm, 'mother' (as in Oumou Kalthoum) — a common West African (Fula/Mandinka) nameOphilia#4178 in the U.S.A variant spelling of Ophelia, from the Greek ophelia, 'help; aid; benefit.' Ophelia is also HaOlani#4328 in the U.S.A modern name, variously echoing the Yoruba ola, 'wealth, honor', and the Hawaiian -lani, 'sky,Owen#4329 in the U.S.From the Welsh Owain — variously 'young warrior; well-born; born of the yew'; predominantly a bOri#4525 in the U.S.From Hebrew ori, 'my light' — a modern Israeli name for both sexes, here for girlsOrly#4723 in the U.S.From Hebrew or li, 'my light; the light is mine' (or, 'light', plus li, 'to/for me')Odyssey#4958 in the U.S.From the word odyssey — from Homer's Odyssey (the epic journey of Odysseus) — 'a long, adventurOlivette#5063 in the U.S.A French diminutive of Olive/Olivia — from Latin oliva, 'the olive tree' (a symbol of peace)Oriyah#5196 in the U.S.-iy- spelling of Oriah — from Hebrew Or, 'light', plus -yah, 'of God' — 'my light; the light ofOliver#5359 in the U.S.From Oliver — Latin oliva, 'olive tree' (a symbol of peace), or Old Norse Aleifr, 'ancestor's dOaklynne#5514 in the U.S.Modern coinage joining Oak (the oak tree, a symbol of strength) to the -lynne ending; no singleOasis#5515 in the U.S.From the word oasis — from Greek oasis (from an Egyptian/Coptic word), 'a fertile spot in the dOlenna#5516 in the U.S.A form of Olena (the Ukrainian Helen) — from Greek, 'a torch; light; the shining one'; also theOrli#5665 in the U.S.From Hebrew or, 'light', plus li, 'mine/to me' — 'light is mine; my light'Olena#5866 in the U.S.Ukrainian form of Helen — Greek, 'light, torch; bright'Oliviana#5867 in the U.S.An elaboration of Olivia (with Ana) — from Latin oliva, 'the olive tree' (a symbol of peace)Ona#5868 in the U.S.Lithuanian/Catalan form of Anna — from Hebrew Channah, 'grace'; also linked to 'a river'; routeOcie#6055 in the U.S.A vintage American name, variously a short/pet form of names like Osie/Ocey and a coinage; no fOlanna#6056 in the U.S.From the Igbo (Nigeria) Olanna, 'the gold of the father; the father's gold/treasure'Oshun#6057 in the U.S.From Yoruba — Oshun (Osun), the orisha (deity) of love, beauty, fresh water/rivers, and fertiliOriah#6490 in the U.S.From Hebrew Or, 'light', plus -yah, 'of God' — 'my light; the light of God'Orion#6491 in the U.S.From Greek Orion — the mythical hunter placed among the stars; etymology uncertain (possibly 'rOtilia#6492 in the U.S.A form/spelling of Ottilia/Odilia — from the Germanic aud, 'prosperity; fortune; wealth' (a femOletta#6949 in the U.S.A form of Oleta/Oletha, a vintage American name of uncertain root sometimes tied to the Greek aOdilia#7058 in the U.S.From the Germanic od, 'wealth; fortune; prosperity' (also linked to Saint Odilia, patroness of Oliva#7059 in the U.S.From Latin oliva, 'the olive tree' — a symbol of peace (a Spanish/Italian form, and the name ofOlivera#7077 in the U.S.From the Spanish and Serbian olivera, 'olive tree' — tied to olives, and by tradition to peace Oksana#7404 in the U.S.A Ukrainian/Russian name, variously linked to Xenia ('hospitality; a guest', Greek) and read asOsiris#7405 in the U.S.From the Greek form of the Egyptian Asar/Wsir — the god of the afterlife, death, and resurrecti
Boy Names
Oliver#3 in the U.S.Olive tree; associated with peace and fruitfulnessOwen#31 in the U.S.Young warrior; well-born; the Welsh form of EugeneOscar#223 in the U.S.God's spear; from Old Irish os (god) + cara (friend), or Old English os (god) + gar (spear)Omar#260 in the U.S.Flourishing, long-lived; eloquentOtto#277 in the U.S.Wealth, fortune; prosperous and powerfulOrion#334 in the U.S.From the Greek Orion, a giant hunter of Greek mythology. The etymology may derive from the GreeOnyx#365 in the U.S.From the Greek 'onyx', meaning claw or fingernail (because the stone's colors resemble a fingerOakley#454 in the U.S.English surname from Old English 'ac' (oak) and 'leah' (woodland clearing, meadow), meaning 'oaOdin#502 in the U.S.From Old Norse Óðinn, derived from óðr meaning 'fury,' 'inspiration,' or 'ecstasy,' the name ofOzzy#549 in the U.S.Pet form of Oswald or Oscar (and sometimes Ozymandias); Oswald derives from Old English os ('goOtis#652 in the U.S.English surname from the Germanic given name Odo or Otto, from aud meaning wealth or prosperityOmari#687 in the U.S.From Swahili omari, from Arabic Umar or Omar meaning flourishing, long-lived, or prosperous; usOzias#708 in the U.S.Greek form of the Hebrew name Uzziah (עֻזִּיָּה), meaning 'my strength is Yahweh' or 'God has hOcean#720 in the U.S.From the Latin oceanus, from Greek okeanos (Ὠκεανός), the name of the Titan god who personifiedOrlando#873 in the U.S.Italian form of Roland, from Old High German Hruodland, composed of hruod (fame, glory) and lanOziel#997 in the U.S.From Hebrew Uzziel or Oziel meaning my strength is God, composed of oz meaning strength or poweOllie#1058 in the U.S.Olive tree; symbol of peace; English pet form of Oliver or Olivia, from Latin olivarius (olive Osiris#1077 in the U.S.Powerful; possibly 'place of the eye' or 'throne-eye'; from Egyptian Wsir (Osiris), the god of Osman#1157 in the U.S.Protector; bone-setter; Turkish/Arabic form of Uthman, from Arabic uthmana (a young lion cub) oOren#1184 in the U.S.Pine tree; also light or paleOakland#1248 in the U.S.Land of oak treesOctavio#1278 in the U.S.Eighth; the eighth sonOsvaldo#1408 in the U.S.Divine power, God's rulerOrson#1433 in the U.S.From a Norman French nickname from Latin 'ursus' (bear), meaning 'bear cub'.Osiel#1454 in the U.S.Strength of God, God's powerOzzie#1455 in the U.S.Divine power; bear-god powerObadiah#1630 in the U.S.Servant of God, worshipper of GodOskar#1750 in the U.S.Form of Oscar, from Gaelic 'os' (deer) and 'cara' (friend), 'deer friend'.Orhan#1763 in the U.S.PlaceOziah#1833 in the U.S.Yahweh is my strength (variant of Uzziah)Olin#1849 in the U.S.Ancestor's descendantOrin#1859 in the U.S.light, pine treeOslo#1969 in the U.S.Meadow of the gods (or meadow beneath the ridge); from the Norwegian capitalOri#2002 in the U.S.from Hebrew 'ori', combining 'or' ('light') with the possessive suffix, meaning 'my light'Oaklee#2017 in the U.S.Oak clearingOden#2033 in the U.S.Frenzied, furious, inspiredObed#2072 in the U.S.Serving, worshippingOctavius#2073 in the U.S.EighthOmer#2103 in the U.S.Sheaf or measure of grain; associated with the Hebrew omer offering and harvest.Oswald#2161 in the U.S.GodOlsen#2176 in the U.S.son of Ole, son of the ancestorOm#2177 in the U.S.The sacred syllable Aum, primordial sound of the universe and supreme mantra in Hinduism.Oaklen#2277 in the U.S.A modern invented American name combining the nature word oak with the fashionable -len/-lyn suOrrin#2278 in the U.S.pine tree (Hebrew); pale (Irish)Oak#2344 in the U.S.The oak tree; from Old English ac (the oak, Quercus robur) — the most venerated tree in BritishOsmar#2345 in the U.S.Divine glory; god-famous; from Germanic Osmar (os: a god, divine + mari: famous, renowned)Oakes#2438 in the U.S.Dweller near the oak treesOshea#2507 in the U.S.SalvationOsiah#2508 in the U.S.Yahweh is salvation / supportsOlivier#2559 in the U.S.Olive treeOmarion#2560 in the U.S.Modern name extending Omar with an -ion ending; no inherent traditional meaning beyond Omar 'flOctavian#2592 in the U.S.eighth, born eighthOthniel#2746 in the U.S.From Hebrew Otniel — read 'lion of God' or 'God is my strength' — Israel's first judgeOjas#2787 in the U.S.Vitality, vigor, the vital essence of the bodyOdysseus#2870 in the U.S.From ancient Greek, possibly related to odussomai ('to be wrathful against,' 'to hate') or odysOaks#2920 in the U.S.Origin uncertainOsias#2921 in the U.S.From Osias/Ozías — a form of Hosea ('salvation') or Uzziah ('Yahweh is my strength'); routes laOswaldo#3027 in the U.S.GodOseias#3072 in the U.S.Portuguese form of Hosea, from Hebrew Hoshea meaning 'salvation' or 'God saves'Owais#3073 in the U.S.From Arabic — a diminutive linked to 'wolf' (aws); borne by the revered early Muslim Owais al-QOumar#3171 in the U.S.West African (French-spelled) form of Umar/Omar — Arabic, 'flourishing, long-lived, populous'; Oryan#3289 in the U.S.Y-styled Orion — the mythic hunter and his constellation; 'light of heaven' folk readingsOthman#3427 in the U.S.From Arabic Uthman, traditionally 'a young bustard (bird)'; the third caliph's nameOlen#3489 in the U.S.Origin uncertainOz#3490 in the U.S.From Hebrew oz, meaning strength, might, or courage; used as an independent name and as a shortOmri#3567 in the U.S.From Hebrew Omri (עָמְרִי), possibly meaning 'my sheaf' (from omer, a unit of grain) or 'servanOusmane#3635 in the U.S.West African (Wolof, Mandinka, Fula) form of Uthman, from Arabic uthman meaning young bustard bOllivander#3731 in the U.S.From Harry Potter's wandmaker Ollivander — Rowling coinage, 'he who owns the olive wand' by herOlson#3732 in the U.S.Scandinavian patronymic surname, 'son of Ole' — Ole descending from Olaf, 'ancestor's descendanObi#3823 in the U.S.From Igbo obi, 'heart' — also a royal title (the Obi of Onitsha); galaxy-famous via Obi-WanOpie#3824 in the U.S.Short form or nickname derived from Old English name Osbert or Oswald, or used independently; aOzia#3897 in the U.S.A modern name echoing the biblical Uzziah/Ozias, 'the Lord is my strength' (Hebrew); it also reOmega#4016 in the U.S.The final letter of the Greek alphabet, literally 'great O'; symbolically, the end, the ultimatOaklan#4219 in the U.S.Variant of Oakland, from Old English ac ('oak') and land ('land'), meaning 'land of oak trees'Olliver#4348 in the U.S.A spelling of Oliver — variously 'the olive tree' (Latin oliva, a symbol of peace) and an echo Oriel#4349 in the U.S.From Latin aureus, 'golden' (the oriel window/Oxford college), blending with Hebrew Uriel, 'GodOseas#4350 in the U.S.Spanish form of Hosea — Hebrew 'salvation' — the steadfast-love prophetOvidio#4351 in the U.S.Italian and Spanish form of the Latin family name Ovidius, possibly derived from Latin ovis ('sOaklyn#4494 in the U.S.Modern American blend of Oak — the strength-symbol tree — with the -lyn ending; mostly used forOdell#4495 in the U.S.From an English place-name/surname — Old English wad-hyll, 'woad hill' (where the dye-plant woaOleander#4496 in the U.S.From the word oleander — a flowering evergreen shrub (the name possibly from Latin, blending 'oOmid#4497 in the U.S.From the Persian omid, 'hope; expectation; aspiration'Ostin#4498 in the U.S.Spelling of Austin — a medieval contraction of Augustine, from Latin augustus, 'great, magnificOisin#4660 in the U.S.From Irish Oisín — from os, 'deer' — 'little deer, fawn'; the great poet-warrior of legendOnix#4661 in the U.S.-i- spelling of Onyx — from Greek onyx, 'a fingernail/claw; the onyx (a banded black gemstone)'Orlin#4662 in the U.S.From Bulgarian Orlin — from orel, 'eagle' — also echoing Latin 'golden' (Orlando lines); routesOsborne#4663 in the U.S.From Old English/Norse os, 'a god', plus beorn, 'a bear; a warrior'; 'a divine bear; a god-warrOle#4820 in the U.S.Scandinavian form of Olaf/Olav — from Old Norse Anleifr, 'ancestor's descendant; heir, relic'Olvin#4821 in the U.S.Latino name echoing Alvin ('noble friend' or 'elf friend', Germanic); construction layeredOmir#4822 in the U.S.From Arabic Omar/Umar, 'long-lived, prosperous; a builder/flourishing', and Amir, 'prince'; alsOaken#4997 in the U.S.From the word oaken — Old English acen, 'made of oak; of the oak tree' (a symbol of strength)Odyn#4998 in the U.S.-y- spelling of Odin — from Old Norse Odinn, 'frenzy, fury, inspiration' — the chief god of NorOran#5153 in the U.S.From Irish Odhran/Oran, 'pale green; a little pale/sallow one'; also Hebrew Oran, 'light' (fromOlivander#5340 in the U.S.A modern blend of Oliver ('the olive tree', Latin) and the -ander ending ('a man', Greek, as inOsama#5341 in the U.S.A spelling of Usama — from Arabic, 'a lion' (one of the Arabic words for the lion)Obaida#5543 in the U.S.From Arabic Ubaida/Obaida, a diminutive of abd, 'servant' — 'little servant (of God)'; an honorOberon#5544 in the U.S.From Auberon/Alberich — Germanic 'elf ruler' (or 'noble bear' readings) — Shakespeare's fairy kOciel#5545 in the U.S.A Latin-American name, variously linked to Oziel/Uzziel ('strength of God; God is my strength',Octavious#5546 in the U.S.A spelling of Octavius — from Latin octavus, 'the eighth' (often given to an eighth child or onOdie#5547 in the U.S.A pet form, variously of Odell ('woad hill', English) and Otto/Odis ('wealth/prosperity', GermaOnyxx#5548 in the U.S.A spelling of Onyx — from Greek onyx, 'a fingernail/claw', the name of the black banded gemstonOzan#5549 in the U.S.From Turkish ozan, 'a bard, a folk poet; a minstrel who recites epic verse'Ozziel#5550 in the U.S.Spelling of Oziel/Uziel — from Hebrew Uzziel, 'God is my strength; the strength/power of God'Obinna#5777 in the U.S.From the Igbo (Nigeria) Obinna — obi, 'heart', + nna, 'father', hence 'the heart of the father;Obsidian#5778 in the U.S.From the word obsidian — Latin obsidianus, a glossy black volcanic glass (named after Obsius, wOrest#5779 in the U.S.A Slavic (Ukrainian/Russian) form of Orestes — from the Greek oros, 'a mountain', hence 'of theOwyn#5780 in the U.S.Y-spelling of Owen — Welsh, 'young warrior' or 'well-born, noble' (linked to Eugene)Orpheus#5921 in the U.S.From the Greek Orpheus, of uncertain meaning (variously linked to orphne, 'the darkness of nighOday#6064 in the U.S.From Arabic Uday/Oday, 'one who runs swiftly; a swift runner' (a small group of fast warriors/rOdis#6065 in the U.S.A spelling of Otis — variously 'wealth, riches' (from the Germanic Ode/Odo) and 'a son of Ode';Oli#6066 in the U.S.A pet form of Oliver — from Latin oliva, 'the olive tree' (a symbol of peace); also linked to tOllin#6067 in the U.S.From Nahuatl ollin, 'movement; motion' — a day-sign in the Aztec calendar, also linked to 'the Orian#6068 in the U.S.Spelling of Orion — the hunter constellation (Greek myth); also a Hebrew name linked to or, 'liOtoniel#6069 in the U.S.A Spanish form of Othniel — from Hebrew, variously 'lion of God; force of God; God is my strengOttis#6070 in the U.S.A spelling of Otis — variously 'wealth, riches' (from the Germanic Ode/Odo) and 'a son of Ode';Olan#6345 in the U.S.From Irish Olan (an early saint) and/or the Norse Olin/Olaf, 'ancestor's descendant'; routes laOlyver#6346 in the U.S.-y- spelling of Oliver — from Latin oliva, 'olive tree' (a symbol of peace), or Old Norse AleifOrville#6347 in the U.S.From French — 'the golden town/city' (or, 'gold', plus ville, 'a town') — a name coined by the Osbaldo#6348 in the U.S.A Spanish form of Oswald — from Germanic os, 'a god', plus wald, 'power; rule'; 'divine power; Oshun#6349 in the U.S.From the Yoruba, the name of Oshun — an orisha (deity) of love, beauty, fresh water and rivers Oswin#6350 in the U.S.Old English os, 'god', plus wine, 'friend' — the martyred gentle king of DeiraOzlo#6351 in the U.S.A modern coined name echoing Onslow ('the meadow of the enthusiast/of the gods', Old English) aOasis#6711 in the U.S.From the word oasis (from Greek, via Egyptian) — 'a fertile/green spot in a desert; a place of Omran#6712 in the U.S.From the Arabic Umran/Imran — variously 'prosperity; long life; a flourishing/well-populated plOsmond#6713 in the U.S.From Old English/Norse os, 'a god; divine', plus mund, 'protection'; 'divine protection; God's Oaklin#7080 in the U.S.Modern coinage joining Oak (the oak tree) to a -lin ending (echoing Oakley, 'the oak meadow', aOdai#7081 in the U.S.From the Arabic Uday, a diminutive linked to 'running; a runner' — historically borne by early Olli#7082 in the U.S.A Finnish pet form of Olavi (Olaf), 'ancestor's descendant,' and used more widely as a short foOsmin#7083 in the U.S.Linked to Osmund/Osman — from Old English/Germanic os, 'a god', plus mund, 'protection' — 'a diOso#7084 in the U.S.From the Spanish oso, 'a bear' (from the Latin ursus); a word/nature name, a symbol of strengthOvadia#7085 in the U.S.A Hebrew form of Obadiah — from Hebrew Ovadyah, 'servant/worshipper of the Lord'Owens#7086 in the U.S.A patronymic surname — 'the son of Owen' (Owen, variously 'a young warrior; well-born; noble', Ozion#7087 in the U.S.A modern name blending Oz ('strength, power', Hebrew) with Zion ('the highest point; Jerusalem'Omiras#7115 in the U.S.A modern coined name with no firmly attested traditional root, sometimes read as an elaborationOleksandr#7542 in the U.S.A Ukrainian form of Alexander — from the Greek alexein, 'to defend', + andros, 'man', hence 'a Olly#7543 in the U.S.A pet form of Oliver — variously from Latin oliva, 'an olive tree' (a symbol of peace), and a GOsbourne#7546 in the U.S.From the English surname Osbourne/Osborn, from Old Norse Asbjorn / Old English Osbeorn, 'god-be