O

Ocarina

A musical instrument resembling a small wind instrument or a vessel.

Octavia

Eighth

Octavie

Derived from the Latin word for 'eight', typically associated with the ordinal number.

Odo

A character from the science fiction television series Star Trek: Deep Space Nine

Oeli

A name derived from a form of 'Ola,' often interpreted as 'ancestor' or 'great spirit.'

OisíN

A mythological figure from Irish folklore; the name means 'little deer'.

Okoye

A character from the Marvel comics and films, known for her bravery and strength

Oky

A variation of 'yogi' or 'okey', often associated with calmness and positivity.

Oletta

Derived from the Italian word 'oletta' meaning 'little olive' or 'olive branch'

Oliva

Derived from the Latin word for olive, symbolizing peace and harmony

Olive

Symbol of peace and prosperity

Onita

Little ghost

Onix

A mineral often used in jewelry, known for its layered colors.

Ookii

Japanese for big or large

Ophel

Helper

Ophelie

Help

Oran

Light or pale

Oreo

A popular chocolate-and-cream sandwich cookie

Oriel

A small bay window or an ornamental projection

Orio

Derived from the Italian word for 'gold', symbolizing wealth and brightness.

Ornela

The name Ornela is derived from the Italian word meaning 'little flower'.

Osamu

To be wise or to be thoughtful

Osco

Italian variant of the name Oswald, meaning 'divine power'

Ostra

A type of shellfish; also means 'oyster' in Italian.

Otti

A nickname derived from the name Otto, which means wealth or fortune.

Ouray

The place of light

Owen

Noble or well-born

Ozell

A name of uncertain origin, often associated with meanings of comfort and joy

Ozma

A name of a powerful sorceress and ruler in the Land of Oz

Ozzy Pawsborn

A playful reference to paws and a nod to rock music

Ozzy Pawsborne

A playful and adventurous nature

Ozzy Pawsbourne

Shorthand for Oswald, meaning 'divine power'

ōKami

Wolf in Japanese