Oh baby: 35 of the sweetest ‘O’ baby names and their meanings

Oakley

This gorgeous unisex name is of English origin meaning “oak wood” or “clearing”.

Ocean

With Greek origins, this beachey name means “sea”.

Octavia

The name Octavia has Latin origins meaning “eighth” and is often assigned to the eighth born.

Odhran

This beautiful colour name has Irish origins meaning “pale green”.

Odin

A strong Viking name that has Scandinavian, Norse origins meaning “god of frenzy; poetic fury”.

Oisin

A gorgeous animal name with Irish origins, Oisin means “little deer”.

Olaf

Not just a snowman, the name Olaf has Scandinavian origins meaning “Ancestor’s Heir”.

Ole

Ole has Danish and Norwegian origins meaning “ancestor’s descendant”.

Olga

Olga has Russian origins meaning “holy”.

Oli

This gender-neutral name can be used as a nickname for any of the Oli names like Olivier, Olivia, Olive etc or stands well on its own too.

Olive

A gorgeous fruit name of English origins meaning “olive tree”.

Oliver

Like Olivia, Oliver is a gorgeous fruit name of English origins meaning “olive tree”.

Olivia

Another of the “olive” names, Olivia is derived from the Latin oliva meaning “olive tree”, and is often seen as a symbol of peace.

Olympia

With Greek origins, Olympia means “from Mount Olympus”.

Om

With Buddhist origins, the name Om means “creation”.

Omar

This strong Arabic name means “flourishing, long lived”.

Omari

With Swahili origins, Omari means “flourishing”.

Omarion

This beautiful Arabic name means “populous” or “flourishing”.

Omer

A lovely Arabic origin name meaning “long-lived,” “thriving,” and “flourishing.”

Ophelia

The name Ophelia has Greek origins meaning “helper”.

Oran

The name Oran is of Aramaic, Irish origin meaning “light, song, little green one”.

Orchid

This sweet flower name comes from the “orchid flower”.

Oriana

A gorgeous Italian, Latin origin name meaning “dawn”.

Orin

Oren has Hebrew origins that mean “laurel tree”.

Orion

Orion has Greek origins, meaning “rising in the sky” and “dawning.”

Oritsé

This name has Nigerian origins meaning “the supreme deity”.

Orla

The name Orla has Irish origins meaning “golden princess”.

Orlaith

Another sweet Irish Gaelic origin name meaning “golden princess”.

Orlando

The name Orlando has Italian origins meaning “famous throughout the land”.

Orson

This animal name is of Latin origins meaning “bear cub”.

Oscar/Oskar

The name Oscar is of Old Norse origins meaning “champion warrior,” or “deer-lover”.

Otis

The money name Otis has German origins meaning “wealthy”.

Otto

Like Otis, Otto has German origins meaning “wealthy”.

Owen

Owen has Welsh origins, meaning “noble-born” and “young warrior.”

Oz

Oz has Hebrew origins meaning “strength” and “courage”.