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
OOluOlu — a charming name with roots in God is my salvation3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveGeneralBoyAfrican
OOluakachukwuOluakachukwu — an inspiring name associated with God’s hand4Rahu (Uranus)SaturdayGrey4, 13, 22, 31Organized, Hardworking, Loyal, TrustworthyGeneralBoyAfrican
OOlubayoOlubayo — treasured for its meaning: Joy of God1SunSundayRed1, 10, 19, 28Goal-Oriented, Fearless, Motivator, PioneeringGeneralBoyAfrican
OOluchuckwuOluchuckwu — a charming name with roots in God’s work3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveGeneralBoyAfrican
OOlufOluf — admired as it reflects Ancestor’s relic9MarsTuesdayMaroon9, 18, 27, 36Visionary, Courageous, Charitable, GenerousGeneralBoyNorse, Old Norse
OOlufemiOlufemi — embodying qualities of God loves me9MarsTuesdayMaroon9, 18, 27, 36Visionary, Courageous, Charitable, GenerousGeneralBoyAfrican
OOlugbalaOlugbala — a classic choice tied to God is savior8SaturnSaturdayBlack8, 17, 26, 35Achiever, Practical, Power-Seeker, DeterminedGeneralBoyAfrican
OOlujimiOlujimi — an inspiring name associated with God gave me this8SaturnSaturdayBlack8, 17, 26, 35Achiever, Practical, Power-Seeker, DeterminedGeneralBoyAfrican
OOlumideOlumide — a radiant choice that means My Lord has come7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyAfrican
OOlumoiOlumoi — reflecting the spirit of Spirit and grace4Rahu (Uranus)SaturdayGrey4, 13, 22, 31Organized, Hardworking, Loyal, TrustworthyGeneralBoyAfrican
OOlusOlus — a timeless choice symbolizing Wealth and honor4Rahu (Uranus)SaturdayGrey4, 13, 22, 31Organized, Hardworking, Loyal, TrustworthyGeneralBoyAfrican
OOlushegunOlushegun — a graceful name meaning God is victorious5MercuryWednesdayGreen5, 14, 23, 32Spontaneous, Traveler, Clever, AdaptableGeneralBoyAfrican
OOlusholaOlushola — echoing the idea of God has blessed me4Rahu (Uranus)SaturdayGrey4, 13, 22, 31Organized, Hardworking, Loyal, TrustworthyGeneralBoyAfrican
OOlutosinOlutosin — a distinguished name linked to God is worthy of praise8SaturnSaturdayBlack8, 17, 26, 35Achiever, Practical, Power-Seeker, DeterminedGeneralBoyAfrican
OOluwaOluwa — known for symbolizing Lord and God9MarsTuesdayMaroon9, 18, 27, 36Visionary, Courageous, Charitable, GenerousGeneralBoyAfrican
OOluwatobiOluwatobi — shining with the meaning of God is great1SunSundayRed1, 10, 19, 28Goal-Oriented, Fearless, Motivator, PioneeringGeneralBoyAfrican
OOluwatosinOluwatosin — an inspiring name associated with God is worthy5MercuryWednesdayGreen5, 14, 23, 32Spontaneous, Traveler, Clever, AdaptableGeneralBoyAfrican
OOluyemiOluyemi — a graceful name meaning God honors me1SunSundayRed1, 10, 19, 28Goal-Oriented, Fearless, Motivator, PioneeringGeneralBoyAfrican
OOlveryOlvery — embodying qualities of Noble and true7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyEnglish, Western
OOlviemiOlviemi — a charming name with roots in Precious gift4Rahu (Uranus)SaturdayGrey4, 13, 22, 31Organized, Hardworking, Loyal, TrustworthyGeneralBoyAfrican
OOlvinOlvin — known for symbolizing Elf friend9MarsTuesdayMaroon9, 18, 27, 36Visionary, Courageous, Charitable, GenerousGeneralBoyEnglish, Western
OOlympioOlympio — a classic choice tied to From Olympus6VenusFridayPink6, 15, 24, 33Romantic, Responsible, Sympathetic, WarmGeneralBoyGreek
OOlympiosOlympios — an inspiring name associated with Sacred and divine7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyGreek
OOlynOlyn — a poetic name signifying Holy and pure3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveGeneralBoyGreek
OOmOm — rooted in tradition, associated with Sacred syllable1SunSundayRed1, 10, 19, 28Goal-Oriented, Fearless, Motivator, PioneeringHinduBoyIndian, Sanskrit
OOm PrakashOm Prakash — a radiant choice that means Sacred light3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveHinduBoyIndian, Sanskrit
OOmaOma — a poetic name signifying Life and grace2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveGeneralBoyAfrican
OOmaarOmaar — a unique name that means Flourishing and long-lived3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveMuslimBoyArabic, Urdu, Islamic
OOmairOmair — shining with the meaning of Prosperous and long life2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveMuslimBoyArabic, Urdu, Islamic
OOmalOmal — celebrated for symbolizing Precious and rare5MercuryWednesdayGreen5, 14, 23, 32Spontaneous, Traveler, Clever, AdaptableHinduBoyIndian, Sanskrit
OOmanOman — valued for its essence of Wealthy land7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveGeneralBoyGlobal, Modern
OOmanandOmanand — admired as it reflects Joy of life8SaturnSaturdayBlack8, 17, 26, 35Achiever, Practical, Power-Seeker, DeterminedHinduBoyIndian, Sanskrit
OOmarOmar — an inspiring name associated with Flourishing and thriving2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveMuslimBoyArabic, Urdu, Islamic
OOmareeOmaree — often chosen for its link with Long life3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveMuslimBoyArabic, Urdu, Islamic
OOmariOmari — evoking the qualities of Thriving and flourishing2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveMuslimBoyArabic, Urdu, Islamic
OOmarjeetOmarjeet — a graceful name meaning Victorious protector6VenusFridayPink6, 15, 24, 33Romantic, Responsible, Sympathetic, WarmHinduBoyIndian, Sanskrit
OOmarrOmarr — celebrated for symbolizing Long life2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveMuslimBoyArabic, Urdu, Islamic
OOmaryOmary — loved for the sense of Life and prosperity9MarsTuesdayMaroon9, 18, 27, 36Visionary, Courageous, Charitable, GenerousMuslimBoyArabic, Urdu, Islamic
OOmduttOmdutt — an inspiring name associated with Gift of God3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveHinduBoyIndian, Sanskrit
OOmeetOmeet — valued for its essence of Friend and companion4Rahu (Uranus)SaturdayGrey4, 13, 22, 31Organized, Hardworking, Loyal, TrustworthyHinduBoyIndian, Sanskrit
OOmegbhaOmegbha — loved for the sense of Blessed by God6VenusFridayPink6, 15, 24, 33Romantic, Responsible, Sympathetic, WarmGeneralBoyAfrican
OOmeirOmeir — embodying qualities of Prosperous6VenusFridayPink6, 15, 24, 33Romantic, Responsible, Sympathetic, WarmMuslimBoyArabic, Urdu, Islamic
OOmenOmen — shining with the meaning of Sign and destiny2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveGeneralBoyGlobal, Modern
OOmenihuOmenihu — reflecting the spirit of God has done this4Rahu (Uranus)SaturdayGrey4, 13, 22, 31Organized, Hardworking, Loyal, TrustworthyGeneralBoyAfrican
OOmerOmer — a unique name that means Sheaf of grain6VenusFridayPink6, 15, 24, 33Romantic, Responsible, Sympathetic, WarmJewishBoyHebrew
OOmesaOmesa — cherished for its connection to Protector8SaturnSaturdayBlack8, 17, 26, 35Achiever, Practical, Power-Seeker, DeterminedGeneralBoyAfrican
OOmeshOmesh — admired as it reflects Lord of the soul6VenusFridayPink6, 15, 24, 33Romantic, Responsible, Sympathetic, WarmHinduBoyIndian, Sanskrit
OOmeshwarOmeshwar — carrying the essence of Supreme God3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveHinduBoyIndian, Sanskrit
OOmesonmaOmesonma — carrying the essence of Child of goodness5MercuryWednesdayGreen5, 14, 23, 32Spontaneous, Traveler, Clever, AdaptableGeneralBoyAfrican
OOmetzOmetz — a unique name that means Courage and strength7Ketu (Neptune)MondayLight Green7, 16, 25, 34Wise, Knowledge-Seeker, Deep Thinker, IntrospectiveJewishBoyHebrew
OOmiOmi — admired for representing Water and purity1SunSundayRed1, 10, 19, 28Goal-Oriented, Fearless, Motivator, PioneeringGeneralBoyJapanese
OOmieOmie — often chosen for its link with Beloved child6VenusFridayPink6, 15, 24, 33Romantic, Responsible, Sympathetic, WarmGeneralBoyEnglish, Western
OOmirOmir — echoing the idea of Long-lived1SunSundayRed1, 10, 19, 28Goal-Oriented, Fearless, Motivator, PioneeringMuslimBoyArabic, Urdu, Islamic
OOmjaOmja — a timeless choice symbolizing Born of light3JupiterThursdayYellow3, 12, 21, 30Imaginative, Social, Joyful, ExpressiveHinduBoyIndian, Sanskrit
OOmkarOmkar — shining with the meaning of Sacred sound Om4Rahu (Uranus)SaturdayGrey4, 13, 22, 31Organized, Hardworking, Loyal, TrustworthyHinduBoyIndian, Sanskrit
OOmkaramurthyOmkaramurthy — loved for the sense of Sacred Om and divine Lord2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveHinduBoyIndian, Sanskrit
OOmkareshOmkaresh — often chosen for its link with Lord of Om9MarsTuesdayMaroon9, 18, 27, 36Visionary, Courageous, Charitable, GenerousHinduBoyIndian, Sanskrit
OOmkareshwarOmkareshwar — echoing the idea of Supreme Lord of Om6VenusFridayPink6, 15, 24, 33Romantic, Responsible, Sympathetic, WarmHinduBoyIndian, Sanskrit
OOmkarnathOmkarnath — loved for the sense of Protector of Om2MoonMondayWhite2, 11, 20, 29Caring, Patient, Mediator, SupportiveHinduBoyIndian, Sanskrit
OOmkeshOmkesh — cherished for its connection to Lord of Om8SaturnSaturdayBlack8, 17, 26, 35Achiever, Practical, Power-Seeker, DeterminedHinduBoyIndian, Sanskrit

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