Baby Boy Names A–Z

Baby boy names A–Z with meanings, numerology, origin and lucky traits
Explore baby boy names A–Z with meanings, numerology and origins for your little one.

Baby Boy Names A–Z with Meanings, Numerology & Origin

Explore a wide collection of baby boy names with beautiful meanings, numerology, lucky numbers and origins. Browse A–Z to discover traditional, modern and trending boy names chosen by parents worldwide.

Baby Boy Names Beginning with O

Names starting with O stand for openness, optimism, and originality. Baby names beginning with O often sound strong and uplifting. From Olivia and Omar to Omkar and Owen, they symbolize hope, harmony, and creativity. O-names feel modern and inspiring, perfect for those who embrace positivity and individuality.

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AlphabetNameMeaningNumerologyRuling PlanetLucky DayLucky ColourLucky Number(s)TraitsReligionGenderOrigin
OOrluchiOrluchi — valued for its essence of Child of light5MercuryWednesdayGreen5, 14, 23, 32Spontaneous, Traveler, Clever, AdaptableGeneralBoyAfrican
OOrluchukwuOrluchukwu — a unique name that means Child of God’s light9MarsTuesdayMaroon9, 18, 27, 36Visionary, Courageous, Charitable, GenerousGeneralBoyAfrican
OOrlyOrly — an inspiring name associated with Light7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveJewishBoyHebrew
OOrlynOrlyn — carrying the essence of Noble lake3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveGeneralBoyEnglish, Western
OOrmanOrman — celebrated for symbolizing Spearman7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyEnglish, Western
OOrmandOrmand — valued for its essence of Famous protector2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveGeneralBoyEnglish, Western
OOrmeOrme — admired for representing Elm tree6VenusFridayPink6, 15, 24, 33Romantic, Responsible, Sympathetic, WarmGeneralBoyEnglish, Western
OOrmodOrmod — a unique name that means Spirit of order2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveGeneralBoyNorse, Old Norse
OOrmondOrmond — admired as it reflects From the ridge7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyEnglish, Western
OOrmosOrmos — admired as it reflects Bay and harbor8SaturnSaturdayBlack8, 17, 26, 35Achiever, Practical, Power-Seeker, DeterminedGeneralBoyGreek
OOrnOrn — echoing the idea of Eagle2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveGeneralBoyNorse, Old Norse
OOrnetteOrnette — a unique name that means Little eagle7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyEnglish, Western
OOrniceOrnice — a classic choice tied to Noble ruler1SunSundayRed1, 10, 19, 28Goal-Oriented, Fearless, Motivator, PioneeringGeneralBoyEnglish, Western
OOrnieOrnie — a timeless choice symbolizing Strong leader7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyEnglish, Western
OOroOro — a radiant choice that means Gold3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveGeneralBoySpanish, Latin
OOronOron — a charming name with roots in Pine tree8SaturnSaturdayBlack8, 17, 26, 35Achiever, Practical, Power-Seeker, DeterminedJewishBoyHebrew
OOrontesOrontes — celebrated for symbolizing Mountain river7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyGreek
OOrpheusOrpheus — valued for its essence of Legendary musician3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveGeneralBoyGreek
OOrranOrran — a radiant choice that means Pale green3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveGeneralBoyCeltic, Irish
OOrrelOrrel — admired as it reflects Gold town5MercuryWednesdayGreen5, 14, 23, 32Spontaneous, Traveler, Clever, AdaptableGeneralBoyEnglish, Western
OOrrellOrrell — a radiant choice that means Golden hill8SaturnSaturdayBlack8, 17, 26, 35Achiever, Practical, Power-Seeker, DeterminedGeneralBoyEnglish, Western
OOrrenOrren — admired as it reflects Pine tree7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveJewishBoyHebrew
OOrreyOrrey — a distinguished name linked to Noble spear9MarsTuesdayMaroon9, 18, 27, 36Visionary, Courageous, Charitable, GenerousGeneralBoyEnglish, Western
OOrrickOrrick — a timeless choice symbolizing Oak tree ruler2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveGeneralBoyEnglish, Western
OOrrieOrrie — admired as it reflects Noble and kind2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveGeneralBoyEnglish, Western
OOrrinOrrin — loved for the sense of Pale skinned2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveGeneralBoyCeltic, Irish
OOrrisOrris — a poetic name signifying Flower and fragrance7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyEnglish, Western
OOrryOrry — often chosen for its link with Noble spear4Rahu (Uranus)SaturdayGrey4, 13, 22, 31Organized, Hardworking, Loyal, TrustworthyGeneralBoyEnglish, Western
OOrrynOrryn — a poetic name signifying Little pale one9MarsTuesdayMaroon9, 18, 27, 36Visionary, Courageous, Charitable, GenerousGeneralBoyEnglish, Western
OOrsOrs — a graceful name meaning Bear7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyLatin
OOrsenOrsen — known for symbolizing Bear cub8SaturnSaturdayBlack8, 17, 26, 35Achiever, Practical, Power-Seeker, DeterminedGeneralBoyLatin
OOrsonOrson — a graceful name meaning Strong bear9MarsTuesdayMaroon9, 18, 27, 36Visionary, Courageous, Charitable, GenerousGeneralBoyLatin
OOrthOrth — a poetic name signifying Point of land7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyGermanic
OOrtonOrton — shining with the meaning of Settlement by river1SunSundayRed1, 10, 19, 28Goal-Oriented, Fearless, Motivator, PioneeringGeneralBoyEnglish, Western
OOrunjanOrunjan — known for symbolizing Heaven’s child3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveGeneralBoyAfrican
OOrvalOrval — valued for its essence of Golden valley5MercuryWednesdayGreen5, 14, 23, 32Spontaneous, Traveler, Clever, AdaptableGeneralBoyEnglish, Western
OOrvallOrvall — admired for representing Valley of gold8SaturnSaturdayBlack8, 17, 26, 35Achiever, Practical, Power-Seeker, DeterminedGeneralBoyEnglish, Western
OOrvalleOrvalle — treasured for its meaning: Valley settlement4Rahu (Uranus)SaturdayGrey4, 13, 22, 31Organized, Hardworking, Loyal, TrustworthyGeneralBoyEnglish, Western
OOrvanOrvan — reflecting the spirit of Noble friend7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyEnglish, Western
OOrvellOrvell — an inspiring name associated with Golden town3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveGeneralBoyEnglish, Western
OOrvenOrven — admired for representing Friend of gold2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveGeneralBoyEnglish, Western
OOrvieOrvie — rooted in tradition, associated with Dear friend6VenusFridayPink6, 15, 24, 33Romantic, Responsible, Sympathetic, WarmGeneralBoyEnglish, Western
OOrvilOrvil — evoking the qualities of Gold town4Rahu (Uranus)SaturdayGrey4, 13, 22, 31Organized, Hardworking, Loyal, TrustworthyGeneralBoyEnglish, Western
OOrvillOrvill — loved for the sense of Golden city7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyEnglish, Western
OOrvilleOrville — loved for the sense of Gold town estate3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveGeneralBoyEnglish, Western
OOrvinOrvin — admired as it reflects Beloved friend6VenusFridayPink6, 15, 24, 33Romantic, Responsible, Sympathetic, WarmGeneralBoyEnglish, Western
OOrwayOrway — a graceful name meaning Path to honor1SunSundayRed1, 10, 19, 28Goal-Oriented, Fearless, Motivator, PioneeringGeneralBoyEnglish, Western
OOrwelOrwel — a charming name with roots in Golden spring1SunSundayRed1, 10, 19, 28Goal-Oriented, Fearless, Motivator, PioneeringGeneralBoyEnglish, Western
OOryOry — a timeless choice symbolizing My light4Rahu (Uranus)SaturdayGrey4, 13, 22, 31Organized, Hardworking, Loyal, TrustworthyJewishBoyHebrew
OOryanOryan — known for symbolizing Noble strength1SunSundayRed1, 10, 19, 28Goal-Oriented, Fearless, Motivator, PioneeringGeneralBoyEnglish, Western
OOrynOryn — known for symbolizing Light and pure9MarsTuesdayMaroon9, 18, 27, 36Visionary, Courageous, Charitable, GenerousGeneralBoyEnglish, Western
OOryonOryon — a charming name with roots in Rising in the sky6VenusFridayPink6, 15, 24, 33Romantic, Responsible, Sympathetic, WarmGeneralBoyGreek
OOsOs — rooted in tradition, associated with Divine spear7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyEnglish, Western
OOsabohienOsabohien — an inspiring name associated with God protects me7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyAfrican
OOsagboroOsagboro — a graceful name meaning Child of blessing2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveGeneralBoyAfrican
OOsageOsage — loved for the sense of Warrior tribe2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveGeneralBoyNative American
OOsagieOsagie — admired for representing God’s power2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveGeneralBoyAfrican
OOsaharOsahar — valued for its essence of God’s presence8SaturnSaturdayBlack8, 17, 26, 35Achiever, Practical, Power-Seeker, DeterminedGeneralBoyAfrican
OOsakweOsakwe — cherished for its connection to God has decided2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveGeneralBoyAfrican
OOsamaOsama — embodying qualities of Lion4Rahu (Uranus)SaturdayGrey4, 13, 22, 31Organized, Hardworking, Loyal, TrustworthyMuslimBoyArabic, Urdu, Islamic

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