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Boy Names Starting with O

Baby boy names beginning with O from every tradition, grouped by faith, each with its meaning and origin.

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71 names · each links to its meaning, origin, pronunciation and history.

Christian names (13)

Octavio — EighthOlav — Ancestor's heir, descendantOlivier — Olive treeOlufemi — God loves meOlumide — My Lord has comeOluwadamilare — God has vindicated meOluwafemi — God loves meOluwaseun — We thank God; God has done itOluwatobi — God is greatOrlando — Famous landOsvaldo — Divine rule, power of GodOswald — Divine powerOtavio — Eighth

Hindu names (7)

Ojas — Vitality, vigour, radianceOjaswin — Vigorous, radiant, powerfulOm — The sacred syllableOmesh — Lord of OmOmkar — The sacred sound OmOmkarnath — Lord of the sacred syllable OmOmveer — Brave one of Om

Muslim names (24)

Obada — Worship, devotion to GodObaid — Little servant of GodObaida — Little servant of God, devoted worshipperObaidullah — Little servant of GodObeida — Little servant of GodOdai — Little Adi; a swift runnerOkan — Understanding, perceptive, wiseOmar — Long life, flourishingOmara — Flourishing, building, prosperityOmer — Long-lived, flourishingOmid — HopeOrhan — Great commander, khanOrwa — A firm handhold, supportOsaama — LionOsama — LionOsman — Young bustard; the name of the third caliphOssama — LionOthman — Young bustard; the name of the third caliphOthmane — The name of the third caliph, UthmanOualid — Newborn childOwais — Little wolfOways — Little wolfOybek — Moon lord, noble as the moonOzan — Bard, folk poet

Sikh names (1)

Onkar — The one creator; God

Jewish names (8)

Oded — Restorer; one who encouragesOfer — Young deer, fawnOfir — Ophir, land of fine goldOhad — Loved, adoredOmri — Debated; often 'my sheaf'Oren — Pine treeOri — My lightOz — Strength, might

Modern & Classic names (18)

Oakley — Oak clearing, oak meadowOberon — Elf rulerObinna — Father's heartOdd — Point, tip of a bladeOddvar — Spear-point warriorOisin — Little deerOladele — Wealth has come homeOleander — The oleander shrubOleg — Holy, blessedOliver — Olive tree (traditional explanation)Orion — Name of the hunter in Greek mythOrson — Bear cubOsamu — To govern; to study, disciplineOsborne — God-bear; divine bearOscar — Deer lover; or god's spearOtis — Wealth, fortuneOtto — Wealth, fortuneOwen — Possibly 'well-born'; also 'young warrior'