O

Ocarina

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

Ocho

Spanish for eight

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

Odyn

Meaning 'wrath' or 'fury' in Old Norse

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.

Olav

Ancestor's heritage

Oleta

Derived from the American name Oletha, meaning 'wealth' or 'prosperous'.

Oletta

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

Olexi

A variant of Alexei, meaning 'defender' or 'helper'.

Olie

Dutch diminutive of 'Olivia', which means 'olive tree', symbolizing peace and fruitfulness.

Oliva

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

Olive

Symbol of peace and prosperity

Olka

A name of Slavic origin meaning 'holy' or 'sacred'.

Onita

Little ghost

Onix

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

Onna

Japanese for woman

Ookii

Japanese for big or large

Ophel

Helper

Ophelie

Help

Ophra

Derived from the Hebrew name meaning 'female deer' or 'fawn'.

Opie

A diminutive form of the name 'Ophelia' or 'Opie' itself can be used as an affectionate term.

Orabelle

Golden beauty

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.

Orli

Light or my light

Ornela

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

Orso

Italian for bear

Orvin

A form of the name Orvin meaning 'friend of the army' or 'spear friend'.

Orvis

A character from literature and a brand known for outdoor gear

Osamu

To be wise or to be thoughtful

Osco

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

Oshie

A name of uncertain origin but often associated with affection and warmth

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

Ozeta

A name derived from a geographic feature or a diminutive of 'oz', suggesting smallness or endearment

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