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.
| Alphabet | Name | Meaning | Numerology | Ruling Planet | Lucky Day | Lucky Colour | Lucky Number(s) | Traits | Religion | Gender | Origin |
|---|---|---|---|---|---|---|---|---|---|---|---|
| O | Oachim | Oachim — known for symbolizing Strong and supreme | 4 | Rahu (Uranus) | Saturday | Grey | 4, 13, 22, 31 | Organized, Hardworking, Loyal, Trustworthy | Hindu | Boy | Indian, Sanskrit |
| O | Oaghavanth | Oaghavanth — a timeless choice symbolizing Strength and endurance | 7 | Ketu (Neptune) | Monday | Light Green | 7, 16, 25, 34 | Wise, Knowledge-Seeker, Deep Thinker, Introspective | General | Boy | English, Western |
| O | Oak | Oak — a radiant choice that means Valley of oaks | 9 | Mars | Tuesday | Maroon | 9, 18, 27, 36 | Visionary, Courageous, Charitable, Generous | General | Boy | English, Western |
| O | Oakden | Oakden — shining with the meaning of Dweller among oaks | 5 | Mercury | Wednesday | Green | 5, 14, 23, 32 | Spontaneous, Traveler, Clever, Adaptable | General | Boy | English, Western |
| O | Oakes | Oakes — admired as it reflects Oak tree and strength | 6 | Venus | Friday | Pink | 6, 15, 24, 33 | Romantic, Responsible, Sympathetic, Warm | General | Boy | English, Western |
| O | Oakey | Oakey — a graceful name meaning Oak grove and forest | 3 | Jupiter | Thursday | Yellow | 3, 12, 21, 30 | Imaginative, Social, Joyful, Expressive | General | Boy | English, Western |
| O | Oakie | Oakie — rooted in tradition, associated with Meadow of oaks | 5 | Mercury | Wednesday | Green | 5, 14, 23, 32 | Spontaneous, Traveler, Clever, Adaptable | General | Boy | English, Western |
| O | Oakleigh | Oakleigh — admired for representing Clearing of oaks | 5 | Mercury | Wednesday | Green | 5, 14, 23, 32 | Spontaneous, Traveler, Clever, Adaptable | General | Boy | English, Western |
| O | Oakley | Oakley — a classic choice tied to Oak wood and meadow | 6 | Venus | Friday | Pink | 6, 15, 24, 33 | Romantic, Responsible, Sympathetic, Warm | General | Boy | English, Western |
| O | Oakly | Oakly — shining with the meaning of Wealth and prosperity | 1 | Sun | Sunday | Red | 1, 10, 19, 28 | Goal-Oriented, Fearless, Motivator, Pioneering | General | Boy | English, Western |
| O | Oates | Oates — cherished for its connection to King and ruler | 6 | Venus | Friday | Pink | 6, 15, 24, 33 | Romantic, Responsible, Sympathetic, Warm | General | Boy | African |
| O | Oba | Oba — a distinguished name linked to Return of the king | 9 | Mars | Tuesday | Maroon | 9, 18, 27, 36 | Visionary, Courageous, Charitable, Generous | General | Boy | African |
| O | Obadele | Obadele — loved for the sense of Servant of God | 8 | Saturn | Saturday | Black | 8, 17, 26, 35 | Achiever, Practical, Power-Seeker, Determined | Jewish | Boy | Hebrew |
| O | Obadiah | Obadiah — a radiant choice that means King loves me | 4 | Rahu (Uranus) | Saturday | Grey | 4, 13, 22, 31 | Organized, Hardworking, Loyal, Trustworthy | General | Boy | African |
| O | Obafemi | Obafemi — valued for its essence of Lord Shiva | 6 | Venus | Friday | Pink | 6, 15, 24, 33 | Romantic, Responsible, Sympathetic, Warm | Hindu | Boy | Indian, Sanskrit |
| O | Obalesh | Obalesh — celebrated for symbolizing God Shiva | 8 | Saturn | Saturday | Black | 8, 17, 26, 35 | Achiever, Practical, Power-Seeker, Determined | Hindu | Boy | Indian, Sanskrit |
| O | Obaleshwar | Obaleshwar — loved for the sense of Leaning or bending | 5 | Mercury | Wednesday | Green | 5, 14, 23, 32 | Spontaneous, Traveler, Clever, Adaptable | General | Boy | African |
| O | Obama | Obama — admired as it reflects Little bay | 5 | Mercury | Wednesday | Green | 5, 14, 23, 32 | Spontaneous, Traveler, Clever, Adaptable | General | Boy | Celtic, Scottish |
| O | Oban | Oban — known for symbolizing In honor of God | 5 | Mercury | Wednesday | Green | 5, 14, 23, 32 | Spontaneous, Traveler, Clever, Adaptable | General | Boy | African |
| O | Obasi | Obasi — embodying qualities of Strong and bold | 1 | Sun | Sunday | Red | 1, 10, 19, 28 | Goal-Oriented, Fearless, Motivator, Pioneering | General | Boy | African |
| O | Obaskei | Obaskei — a charming name with roots in Wealth of God | 8 | Saturn | Saturday | Black | 8, 17, 26, 35 | Achiever, Practical, Power-Seeker, Determined | General | Boy | African |
| O | Obasolape | Obasolape — valued for its essence of King is noble | 5 | Mercury | Wednesday | Green | 5, 14, 23, 32 | Spontaneous, Traveler, Clever, Adaptable | General | Boy | African |
| O | Obataiye | Obataiye — evoking the qualities of God is worthy of praise | 6 | Venus | Friday | Pink | 6, 15, 24, 33 | Romantic, Responsible, Sympathetic, Warm | General | Boy | African |
| O | Obatotosinloluwa | Obatotosinloluwa — admired as it reflects God brings honor | 7 | Ketu (Neptune) | Monday | Light Green | 7, 16, 25, 34 | Wise, Knowledge-Seeker, Deep Thinker, Introspective | General | Boy | African |
| O | Obawole | Obawole — a unique name that means King brings joy | 1 | Sun | Sunday | Red | 1, 10, 19, 28 | Goal-Oriented, Fearless, Motivator, Pioneering | General | Boy | African |
| O | Obayana | Obayana — reflecting the spirit of Bright and shining | 5 | Mercury | Wednesday | Green | 5, 14, 23, 32 | Spontaneous, Traveler, Clever, Adaptable | General | Boy | English, Western |
| O | Obbie | Obbie — treasured for its meaning: Servant and worshipper | 6 | Venus | Friday | Pink | 6, 15, 24, 33 | Romantic, Responsible, Sympathetic, Warm | Christian | Boy | Biblical |
| O | Obed | Obed — reflecting the spirit of Servant of God | 8 | Saturn | Saturday | Black | 8, 17, 26, 35 | Achiever, Practical, Power-Seeker, Determined | Jewish | Boy | Hebrew |
| O | Obediah | Obediah — a distinguished name linked to Obedient and faithful | 8 | Saturn | Saturday | Black | 8, 17, 26, 35 | Achiever, Practical, Power-Seeker, Determined | General | Boy | Global, Modern |
| O | Obedience | Obedience — a charming name with roots in Mighty and strong | 8 | Saturn | Saturday | Black | 8, 17, 26, 35 | Achiever, Practical, Power-Seeker, Determined | General | Boy | Global, Modern |
| O | Obelix | Obelix — valued for its essence of Noble and bright | 4 | Rahu (Uranus) | Saturday | Grey | 4, 13, 22, 31 | Organized, Hardworking, Loyal, Trustworthy | General | Boy | Germanic |
| O | Ober | Ober — admired as it reflects Noble and bearlike | 4 | Rahu (Uranus) | Saturday | Grey | 4, 13, 22, 31 | Organized, Hardworking, Loyal, Trustworthy | General | Boy | Germanic |
| O | Oberon | Oberon — a charming name with roots in Noble and ruler | 6 | Venus | Friday | Pink | 6, 15, 24, 33 | Romantic, Responsible, Sympathetic, Warm | General | Boy | Germanic |
| O | Oberron | Oberron — treasured for its meaning: Bright and noble | 6 | Venus | Friday | Pink | 6, 15, 24, 33 | Romantic, Responsible, Sympathetic, Warm | General | Boy | Germanic |
| O | Obert | Obert — loved for the sense of Heart and soul | 6 | Venus | Friday | Pink | 6, 15, 24, 33 | Romantic, Responsible, Sympathetic, Warm | General | Boy | African |
| O | Obi | Obi — often chosen for its link with God has consoled | 8 | Saturn | Saturday | Black | 8, 17, 26, 35 | Achiever, Practical, Power-Seeker, Determined | General | Boy | African |
| O | Obiajulu | Obiajulu — a poetic name signifying God is strong | 1 | Sun | Sunday | Red | 1, 10, 19, 28 | Goal-Oriented, Fearless, Motivator, Pioneering | General | Boy | African |
| O | Obianke | Obianke — evoking the qualities of Servant and follower | 3 | Jupiter | Thursday | Yellow | 3, 12, 21, 30 | Imaginative, Social, Joyful, Expressive | General | Boy | English, Western |
| O | Obie | Obie — often chosen for its link with God is strength | 4 | Rahu (Uranus) | Saturday | Grey | 4, 13, 22, 31 | Organized, Hardworking, Loyal, Trustworthy | General | Boy | African |
| O | Obiechina | Obiechina — often chosen for its link with Kingly and noble | 3 | Jupiter | Thursday | Yellow | 3, 12, 21, 30 | Imaginative, Social, Joyful, Expressive | General | Boy | African |
| O | Obieze | Obieze — rooted in tradition, associated with Strong and brave | 8 | Saturn | Saturday | Black | 8, 17, 26, 35 | Achiever, Practical, Power-Seeker, Determined | General | Boy | African |
| O | Obike | Obike — a radiant choice that means One who endures | 6 | Venus | Friday | Pink | 6, 15, 24, 33 | Romantic, Responsible, Sympathetic, Warm | General | Boy | African |
| O | Obikwe | Obikwe — an inspiring name associated with Strength of God | 2 | Moon | Monday | White | 2, 11, 20, 29 | Caring, Patient, Mediator, Supportive | General | Boy | African |
| O | Obikwelu | Obikwelu — a poetic name signifying Son of God | 8 | Saturn | Saturday | Black | 8, 17, 26, 35 | Achiever, Practical, Power-Seeker, Determined | General | Boy | African |
| O | Obilom | Obilom — known for symbolizing Son of God | 3 | Jupiter | Thursday | Yellow | 3, 12, 21, 30 | Imaginative, Social, Joyful, Expressive | General | Boy | African |
| O | Obinna | Obinna — a charming name with roots in Father’s heart | 1 | Sun | Sunday | Red | 1, 10, 19, 28 | Goal-Oriented, Fearless, Motivator, Pioneering | General | Boy | African |
| O | Obiora | Obiora — a unique name that means Heart of the people | 6 | Venus | Friday | Pink | 6, 15, 24, 33 | Romantic, Responsible, Sympathetic, Warm | General | Boy | African |
| O | Obiwanne | Obiwanne — a radiant choice that means Father is with me | 2 | Moon | Monday | White | 2, 11, 20, 29 | Caring, Patient, Mediator, Supportive | General | Boy | African |
| O | Oboi | Oboi — cherished for its connection to Kingly spirit | 5 | Mercury | Wednesday | Green | 5, 14, 23, 32 | Spontaneous, Traveler, Clever, Adaptable | General | Boy | African |
| O | Obrecht | Obrecht — echoing the idea of Noble and bright | 8 | Saturn | Saturday | Black | 8, 17, 26, 35 | Achiever, Practical, Power-Seeker, Determined | General | Boy | Germanic |
| O | Obuli | Obuli — echoing the idea of Sacred and pure | 5 | Mercury | Wednesday | Green | 5, 14, 23, 32 | Spontaneous, Traveler, Clever, Adaptable | Hindu | Boy | Indian, Sanskrit |
| O | Oby | Oby — an inspiring name associated with Full of heart | 6 | Venus | Friday | Pink | 6, 15, 24, 33 | Romantic, Responsible, Sympathetic, Warm | General | Boy | African |
| O | Occa | Occa — valued for its essence of Ancient and strong | 4 | Rahu (Uranus) | Saturday | Grey | 4, 13, 22, 31 | Organized, Hardworking, Loyal, Trustworthy | General | Boy | Latin |
| O | Ocean | Ocean — a charming name with roots in Vast and deep sea | 2 | Moon | Monday | White | 2, 11, 20, 29 | Caring, Patient, Mediator, Supportive | General | Boy | Global, Modern |
| O | Oceanus | Oceanus — a unique name that means Titan of the ocean | 6 | Venus | Friday | Pink | 6, 15, 24, 33 | Romantic, Responsible, Sympathetic, Warm | General | Boy | Greek |
| O | Ocelfa | Ocelfa — rooted in tradition, associated with Wealth and fortune | 6 | Venus | Friday | Pink | 6, 15, 24, 33 | Romantic, Responsible, Sympathetic, Warm | General | Boy | Anglo-Saxon, English |
| O | Och | Och — a timeless choice symbolizing Powerful and bold | 8 | Saturn | Saturday | Black | 8, 17, 26, 35 | Achiever, Practical, Power-Seeker, Determined | General | Boy | African |
| O | Ochen | Ochen — embodying qualities of Born at dawn | 9 | Mars | Tuesday | Maroon | 9, 18, 27, 36 | Visionary, Courageous, Charitable, Generous | General | Boy | African |
| O | Ochi | Ochi — a unique name that means Light and clarity | 8 | Saturn | Saturday | Black | 8, 17, 26, 35 | Achiever, Practical, Power-Seeker, Determined | General | Boy | African |
| O | Ociel | Ociel — cherished for its connection to Heavenly sky | 8 | Saturn | Saturday | Black | 8, 17, 26, 35 | Achiever, Practical, Power-Seeker, Determined | General | Boy | Spanish, Latin |