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O baby boy names are short and distinctive — Om, Ojas, and Omar punch above their letter's rarity. Perfect when you want a name that feels rare but not invented.
Tip: Single-syllable O names shine with a longer middle name.
the sacred sound
vitality, energy
flourishing, long-lived
deer friend / champion warrior
young warrior / well-born
olive tree
wealthy
rising in the sky; hunter
wealth
fury / poetry (Norse god)
oak clearing
ocean
pine tree
servant of God (variant)
small wolf / companion name
the sacred syllable Om
poet, skilled
full of vitality
famous throughout the land
eighth
divine power (diminutive)
claw / gemstone
noble bear / fairy king
ancestor's relic
bear cub
Also browsing for a sister name? See O Baby Girl Names.
Popular O baby boy names vary by culture. This page lists 25+ options with meanings so you can shortlist classics, modern picks, and rarer gems that start with O.
Say the full name with your surname, check a nickname you will actually use, confirm spelling with both families, and pick a meaning you believe in. Sibling initial matching is optional — clarity matters more.
Yes. Many O names on this list have Sanskrit, Arabic, Punjabi, or multicultural roots commonly used in India, alongside global classics that travel well on passports and school forms.