Baby Names That Start With O
Popular 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, fortunOnyx#1248 in the U.S.Black gemstone; from Greek onyx (fingernail, claw — the stone's layers resemble a fingernail)Odessa#1583 in the U.S.Taken from the Black Sea city of Odessa, named after the ancient Greek colony Odessos and assocOriana#1842 in the U.S.GoldOfelia#1902 in the U.S.Help, advantageOllie#2256 in the U.S.olive tree, symbol of peaceOttilie#2315 in the U.S.wealth, fortune, prosperityOlympia#2473 in the U.S.of Olympus, heavenlyOona#2474 in the U.S.lambOrla#2517 in the U.S.golden princessOzzy#2807 in the U.S.GodOzzie#2838 in the U.S.Origin uncertainOaklie#2908 in the U.S.Oak clearingOdelia#2952 in the U.S.Origin uncertainOlga#3309 in the U.S.Holy, blessed; Russian form of Scandinavian Helga, from Old Norse heilagr, 'holy'Ohana#3473 in the U.S.Family, kin group; the Hawaiian word for extended family, popularized as a name by Lilo & StitcOra#3474 in the U.S.Light; from Hebrew orah, a modern Israeli nameOakland#3618 in the U.S.Land of the oaks; an English-derived place name, and the California city, used as a girls' nameOctober#3619 in the U.S.The tenth month; from Latin octo, 'eight', as the eighth month of the old Roman calendarOdalys#3620 in the U.S.From Germanic odal, 'wealth, heritage, homeland'; a Spanish feminine name (related to Odalric/OOri#3856 in the U.S.From Hebrew ori, 'my light' — a modern Israeli name for both sexes, here for girlsOlyvia#4086 in the U.S.Y-spelling of Olivia — from Latin oliva, 'olive', symbol of peaceOlena#4257 in the U.S.Ukrainian form of Helen — Greek, 'light, torch; bright'Oumou#4343 in the U.S.From Arabic umm, 'mother' (as in Oumou Kalthoum) — a common West African (Fula/Mandinka) nameOrion#4432 in the U.S.From Greek Orion — the mythical hunter placed among the stars; etymology uncertain (possibly 'r
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 lanOsiris#976 in the U.S.Powerful; possibly 'place of the eye' or 'throne-eye'; from Egyptian Wsir (Osiris), the god of Oziel#997 in the U.S.From Hebrew Uzziel or Oziel meaning my strength is God, composed of oz meaning strength or poweOsman#1031 in the U.S.Protector; bone-setter; Turkish/Arabic form of Uthman, from Arabic uthmana (a young lion cub) oOllie#1044 in the U.S.Olive tree; symbol of peace; English pet form of Oliver or Olivia, from Latin olivarius (olive Osiel#1220 in the U.S.Strength of God, God's powerOakland#1296 in the U.S.Land of oak treesOsvaldo#1314 in the U.S.Divine power, God's rulerOctavio#1366 in the U.S.Eighth; the eighth sonOren#1380 in the U.S.Pine tree; also light or paleObadiah#1412 in the U.S.Servant of God, worshipper of GodOzzie#1413 in the U.S.Divine power; bear-god powerOrson#1500 in the U.S.From a Norman French nickname from Latin 'ursus' (bear), meaning 'bear cub'.Ori#1564 in the U.S.from Hebrew 'ori', combining 'or' ('light') with the possessive suffix, meaning 'my light'Oaklen#1699 in the U.S.A modern invented American name combining the nature word oak with the fashionable -len/-lyn suOskar#1721 in the U.S.Form of Oscar, from Gaelic 'os' (deer) and 'cara' (friend), 'deer friend'.Oslo#1922 in the U.S.Meadow of the gods (or meadow beneath the ridge); from the Norwegian capitalOziah#1923 in the U.S.Yahweh is my strength (variant of Uzziah)Oaklee#1944 in the U.S.Oak clearingObed#1945 in the U.S.Serving, worshippingOctavius#2020 in the U.S.EighthOmer#2105 in the U.S.Sheaf or measure of grain; associated with the Hebrew omer offering and harvest.Oswald#2121 in the U.S.GodOlin#2143 in the U.S.Ancestor's descendantOm#2161 in the U.S.The sacred syllable Aum, primordial sound of the universe and supreme mantra in Hinduism.Oden#2221 in the U.S.Frenzied, furious, inspiredOrhan#2222 in the U.S.PlaceOlsen#2245 in the U.S.son of Ole, son of the ancestorOrin#2246 in the U.S.light, pine treeOctavian#2270 in the U.S.eighth, born eighthOsmar#2354 in the U.S.Divine glory; god-famous; from Germanic Osmar (os: a god, divine + mari: famous, renowned)Oak#2429 in the U.S.The oak tree; from Old English ac (the oak, Quercus robur) — the most venerated tree in BritishOsiah#2582 in the U.S.Yahweh is salvation / supportsOmarion#2613 in the U.S.Modern name extending Omar with an -ion ending; no inherent traditional meaning beyond Omar 'flOlivier#2690 in the U.S.Olive treeOrrin#2691 in the U.S.pine tree (Hebrew); pale (Irish)Oshea#2728 in the U.S.SalvationOaks#2856 in the U.S.Origin uncertainOlen#2895 in the U.S.Origin uncertainOswaldo#2930 in the U.S.GodOakes#3025 in the U.S.Dweller near the oak treesOjas#3026 in the U.S.Vitality, vigor, the vital essence of the bodyOusmane#3074 in the U.S.West African (Wolof, Mandinka, Fula) form of Uthman, from Arabic uthman meaning young bustard bOz#3075 in the U.S.From Hebrew oz, meaning strength, might, or courage; used as an independent name and as a shortOaklan#3130 in the U.S.Variant of Oakland, from Old English ac ('oak') and land ('land'), meaning 'land of oak trees'Odysseus#3131 in the U.S.From ancient Greek, possibly related to odussomai ('to be wrathful against,' 'to hate') or odysOmri#3132 in the U.S.From Hebrew Omri (עָמְרִי), possibly meaning 'my sheaf' (from omer, a unit of grain) or 'servanOvidio#3133 in the U.S.Italian and Spanish form of the Latin family name Ovidius, possibly derived from Latin ovis ('sOpie#3191 in the U.S.Short form or nickname derived from Old English name Osbert or Oswald, or used independently; aOseias#3192 in the U.S.Portuguese form of Hosea, from Hebrew Hoshea meaning 'salvation' or 'God saves'Omega#3249 in the U.S.The final letter of the Greek alphabet, literally 'great O'; symbolically, the end, the ultimatOlson#3307 in the U.S.Scandinavian patronymic surname, 'son of Ole' — Ole descending from Olaf, 'ancestor's descendanOaklyn#3364 in the U.S.Modern American blend of Oak — the strength-symbol tree — with the -lyn ending; mostly used forOwais#3566 in the U.S.From Arabic — a diminutive linked to 'wolf' (aws); borne by the revered early Muslim Owais al-QOumar#3657 in the U.S.West African (French-spelled) form of Umar/Omar — Arabic, 'flourishing, long-lived, populous'; Oberon#3744 in the U.S.From Auberon/Alberich — Germanic 'elf ruler' (or 'noble bear' readings) — Shakespeare's fairy kOriel#3745 in the U.S.From Latin aureus, 'golden' (the oriel window/Oxford college), blending with Hebrew Uriel, 'GodOthniel#3746 in the U.S.From Hebrew Otniel — read 'lion of God' or 'God is my strength' — Israel's first judgeObi#3854 in the U.S.From Igbo obi, 'heart' — also a royal title (the Obi of Onitsha); galaxy-famous via Obi-WanOryan#3855 in the U.S.Y-styled Orion — the mythic hunter and his constellation; 'light of heaven' folk readingsOllivander#3946 in the U.S.From Harry Potter's wandmaker Ollivander — Rowling coinage, 'he who owns the olive wand' by herOseas#3947 in the U.S.Spanish form of Hosea — Hebrew 'salvation' — the steadfast-love prophetOswin#3948 in the U.S.Old English os, 'god', plus wine, 'friend' — the martyred gentle king of DeiraOthman#4031 in the U.S.From Arabic Uthman, traditionally 'a young bustard (bird)'; the third caliph's nameOisin#4145 in the U.S.From Irish Oisín — from os, 'deer' — 'little deer, fawn'; the great poet-warrior of legendOsias#4146 in the U.S.From Osias/Ozías — a form of Hosea ('salvation') or Uzziah ('Yahweh is my strength'); routes laOrlin#4277 in the U.S.From Bulgarian Orlin — from orel, 'eagle' — also echoing Latin 'golden' (Orlando lines); routesOwyn#4278 in the U.S.Y-spelling of Owen — Welsh, 'young warrior' or 'well-born, noble' (linked to Eugene)