88 Dog Names

So, you want to give your dog a name that starts with O? We’re All About Pets has you covered! Discover the most popular dog names beginning with O.
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Olaf
Refers to ancestral heritage
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Obi
Nigerian name meaning ‘heart,’ suits your darling pet who you treasure
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Oskar
Refers to God’s spear
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Ollie
Diminutive of the name Oliver
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Octavius
Means eighth born
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Oyo
A city in south-western Nigeria inhabited by Yoruba people
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Olivia
Suits a peaceful pet
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Oyster
A large grey flat shellfish found in salty or black waters
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Olympia
Means from Olympus; the home mountain of the gods
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Oifa
The mythical sister of Ove
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Onuris
An Egyptian god of war
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Ola
Refers to wealth or riches
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Oriana
For a pet with a blond coat
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Osiris
Mythical god of the underworld and judge of the dead
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Osman
Persian name
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Osogbo
A city in Osun capital of Nigeria which host sacred forest osun-osogbo
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Ofin
A River flowing eastwards in Ghana
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Okra
Ghanaian name meaning ‘soul,’ fits a pet who gives you comfort and inner peace
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Ocean
The expansive sea; a symbol of power and mystery
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Omid
Persian name
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Olulu
Means fat
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Otter
A cute small brown semi-aquatic mammal
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Octavia
For your eighth born pet
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Olive
For a kind and peaceful pet
Popular pages
More dog names that start with O continued
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Osian
A legendary poet and warrior, the name means little deer
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Oogi Boogie
Disney’s villain residing in Halloween Town
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Otis
A fawn pug in Adventures of Milo and Otis
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Oddvar
Means the spears’ point
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Otto
Means born wealthy, suits your fortunate pet
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Ouray
Refers to an arrow a symbol of defense and protection
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Obsidian
A dark and hard glasslike volcanic rock
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Oksana
Refers to the bright light for the most beautiful pet
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Obuasi
A mining town in Ashanti city southern Ghana
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Ondřej
Refers to a soldier for a brave pet
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Olya
Means holy or sacred
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Oswaldo
Born with divine power
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Orwell
For your free-spirited pet
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Owain
Means a young warrior
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Olwen
Means white footprint in Welsh
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Okaka
Give this name to a pet who’s a blessing in your life
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Ogbo
A deserving name for a pet who’s a dear friend
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Orca
A large black and white killer whale
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Olav
Means ancestors’ descendants
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Oceana
Of Greek origin meaning from the sea
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Omarosa
Name her after the wife of Khamourabi ruler of the second Babylonian Republic
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Oreo
A sandwich cookie, for your sweet and kind pet
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Olee
A fitting Nigerian name for a joyous pet who puts a smile on your face
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Owyn
Means young fighter for your brave champion
Dog Names A-Z
Click on a letter to search for more dog names and
meanings.
Dog Names by Origin
More dog names that start with O continued
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Ofelia
For your helpful pet
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Oldrich
Refers to a rich and powerful ruler
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Ove
Name her after the mythical daughter of Dearg
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Owen
Means born of the yew tree for a pet who brings life in your home
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Ony
Means eagle for your swift and powerful pet
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Omega
Means the end for your triumphant pet
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Obudu
A Cross River state town in Nigeria
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Oban
A small town on the western Scottish coastline popularly known the Gateway of the isles
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Ojas
Suits a strong and powerful pet
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OJ
Short for orange juice
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Old lady
A cute name for a grey female dog, no matter her age.
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Ode
Means ‘born along the road’ in Benin
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Olga
Means holy
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Oswi
Suits a pet you consider a loyal friend
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Olle
Means descendant
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Oliver
Refers to the olive tree, fits a friendly and peaceful pet
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Odion
Means born of twins
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Oprah
Oprah Winfrey, actress and television talk show host
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Orlando
Orlando is known to host Disney world and universal pictures
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Odger
Means wealth for a fortunate pet
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Orvar
Means an arrow for your protective pet
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Oscar
Refers to champion warrior, perfect for a victorious and brave pet
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Oleg
Refers to the holy one
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Okpara
Older person of Igbo community