Dog Names That Start With O

Oliver

From Old French Olivier, possibly from Latin oliva, "olive tree"

Olivia

From Latin oliva, "olive"; an early saints' name

Oliviana

Recorded as a rare feminine given name in Romanian

Oliwia

Polish form of Olivia

Olix

Olka

Polish diminutive of Aleksandra, formed with the suffix -ka

Olle

Swedish diminutive of olaf or oliver

Olley

English habitational surname of Norman origin, from villages called Ouilly

Olli

Finnish variant of Olavi, from Swedish Olle.

Ollie

A diminutive of Oliver, which means 'olive tree' in Latin.

Olly

Diminutive of Oliver

Olwen

The name Olwen is of Welsh origin and means 'white footprint' or 'the footprint of a white goddess'.

Oly

Hungarian, from the demonstrative pronoun az ("that") plus the ablative suffix -l

Olympe

French form of olympias

Olympia

Derived from Mount Olympus, associated with the home of the Greek gods.

Omaira

A name of Arabic origin meaning 'long-lived' or 'prosperous'.

Omar

Alternate transcription of Arabic Umar; also a Hebrew name meaning "speak, say"

Omara

No documented meaning in the sources checked

Omari

Meaning uncertain; possibly a Swahili variant of Umar

Ombra

The Italian word for shadow

Omega

From Greek ὦ μέγα, the name of the last letter of the alphabet

Omina

Not documented; recorded as an Uzbek feminine given name

Omir

No documented meaning; recorded as a rare Marshallese masculine given name

Omira

Yoruba, from omi ("water, liquid") and ara ("body")

Ommi

Omo

Abbreviation of English "O sum", with o as a placeholder

Omri

Possibly means "servant" in Hebrew, from the root ʿamar, "to bind"

Omu

Onari

Spirits of the rice fields in Japanese mythology

Onda

Japanese surname written 恩田

Ondee

Ondi

Recorded as a rare feminine given name in American usage

Ondy

Oneida

A Native American word meaning 'a place of standing stone'.

Onie

A diminutive or affectionate form of a name, often used for endearment

Onita

No documented meaning; recorded as a rare feminine given name in American usage

Onix

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

Onja

A given name recorded in Malagasy

Onka

Recorded as a feminine given name in Japanese

Onki

Onna

A Dutch place name first attested as unne in 1313; also a Nigerian local government area

Onnie

Afrikaans onnie, a reduction of onderwyser with the suffix -ie

Onnix

Onno

A name of Dutch origin meaning 'bear cub'.

Onnuri

A Korean term that can mean 'the whole world' or 'universe'.

Onny

Ono

Japanese word for sound

Onur

Turkish, means "honour" or "pride", borrowed from French honneur

Ony

Recorded as a given name in Malagasy, used for both men and women

Onya

No documented meaning; recorded as a rare feminine given name in English

Ookami

Ookii

Oona

Anglicized form of Úna, and a Finnish form of the name.

Oonagh

Anglicised form of the Irish name Úna

Opala

Opalia

Recorded as a rare, archaic given name in the American South; also a Roman harvest festival

Ophel

Biblical Hebrew ʿōp̄el, an elevated or fortified part of a city

Ophelia

Derived from greek ὠφέλεια (opheleia), meaning "help, advantage"

Ophelie

Ophie

Derived from the Greek word 'Sophia', meaning wisdom.

Ophira

Alternate transcription of Hebrew אוֹפִירָה (Ofira)

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.

Oprah

A name believed to mean 'a strong woman'

Opsie

Optimus

Latin for 'best' or 'greatest'

Orabella

No documented meaning in the sources checked

Orabelle

No documented meaning in the sources checked

Oralee

Possibly a variant of Aurélie

Oran

Anglicized form of the Irish name Odhrán, from odur, meaning "dun, sallow".

Orange

English word for the colour between red and yellow, or the fruit of Citrus × sinensis

Orania

Afrikaans name of a town in the Northern Cape, South Africa

Orbi

Orbo

Orby

English, formed from orb plus the suffix -y

Orco

Italian orco, a masculine noun from Latin Orcus

Ordell

Recorded as a given name in Anglo-Saxon

Ordella

Orel

Means "light of God" in Hebrew, from ʾor "light" and ʾel "God"

Orell

Orella

Aragonese word inherited from Latin ōricula, a variant of auricula.

Oren

Means "pine tree" in Hebrew

Orendo

Oreo

English brand name of unknown origin; also a slur for well-assimilated black people

Oresta

Oria

Italian form of Aurea

Oriel

Recorded as a given name in Hebrew and English

Orino

Orio

Oriole

The English word for a bird of the Old World family Oriolidae

Orion

A prominent constellation named after a hunter in Greek mythology.

Oris

User-submitted: recorded as a masculine given name in English

Orisa

A name that often signifies a deity or spirit in some cultures.

Oriska

Borrowed from Oneida; also the name of a town in North Dakota

Orison

Middle English orisoun, from Latin ōrātiō, "discourse, prayer"

Orit

Hebrew feminine given name meaning "light"

Orka

Orko

Recorded as a Basque masculine given name

Orlaith

Irish feminine given name, from ór "golden" and flaith "prince", usually interpreted as "princess"

Orlando

Italian form of Roland