Any Size Dog Names

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

Ollie

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

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

Omira

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

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

Ondy

Oneida

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

Onja

A given name recorded in Malagasy

Onka

Recorded as a feminine given name in Japanese

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

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

Ophira

Alternate transcription of Hebrew אוֹפִירָה (Ofira)

Oprah

A name believed to mean 'a strong woman'

Opsie

Orabelle

No documented meaning in the sources checked

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

Orbo

Orby

English, formed from orb plus the suffix -y

Ordell

Recorded as a given name in Anglo-Saxon

Orel

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

Orell

Oren

Means "pine tree" in Hebrew

Orendo

Oresta

Oria

Italian form of Aurea

Oriana

Possibly from Latin aurum "gold", or from Spanish oro or French or

Oriel

Recorded as a given name in Hebrew and English

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"

Orko

Recorded as a Basque masculine given name

Orlaith

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

Orli

Hebrew feminine given name meaning "my light"; also a Polish adjective from orzeł.

Orlie

Recorded as a feminine given name in Hebrew

Orlik

Little eagle or young eagle in Slavic languages

Orlin

An abbreviation for various meanings.

Orlo

A diminutive form of the name Orlando, meaning 'famous land'

Orly

Alternate transcription of Hebrew אוֹרְלִי (Orli); also a French place name from Latin Aureliacum

Oro

Spanish for "gold"; also used as a given name, nickname or surname

Orpie

Orres

Orrie

Derived from the Gaelic name 'Orry', meaning 'the calm one'.

Orro

Orry

Recorded as a masculine given name in Manx

Orsha

A variant of the name Orshana, meaning 'from the city of Orsha' which is a city in Belarus.

Orsi

Italian variant of 'bear'

Orsina

Feminine form of Orsino

Orsino

Derived from Italian, often interpreted as 'bear cub'

Ortega

A Spanish surname, from a place name derived from Latin urtica, 'nettle'.

Ortessa

Orva

Derived from Old Norse, meaning 'to inherit, to become.'

Orville

Invented by Fanny Burney, perhaps intended to mean "golden city" in French

Orwen

Recorded as a feminine given name in the Arthurian Cycle

Oryssa

Orzo

Italian for 'barley'; a short-cut pasta shaped like a large grain of rice

Osak

Osamu

From japanese 修 (osamu), meaning "discipline, study", and other kanji with the same pronunciation

Osan

A name of various origins, often meaning 'ocean' or 'river'

Oscar

Possibly from Old Irish oss "deer" and carae "friend", or from Old English Osgar