Explore this list of male dog names that start with O. If you’re looking for a boy dog name beginning with O, then you’re in luck!
Oakes – English – The dweller at the oak trees. This boy dog just loves to sleep under the trees.
Oakley – English – A person who comes from the oak meadow.
Obadiah – A minor Hebrew prophet who has a book of the Bible bearing his name.
Oberon – The mythical king of the fairies. A wonderful name for any toy-breed of male dog.
Obert – German – A wealthy and brilliant man.
Ocean – A good name for any very large bodied dog.
Octavian – He became the first Roman emperor and was then called Augustus.
Octavius – Latin – The 8th born child.
Odell – English – One who comes from the forested hill.
Odin – Norse Mythology – The king of the gods. One of the more popular male dog names that start with O.
Odolf – German – A very wealthy wolf.
Odysseus – The main character and hero of the Greek epic story “The Odyssey.”
Odyssey – Written by the Greek poet Homer. This adventure epic ranks as the most influential work of ancient Greek literature.
Ogden – English – A person who comes from the oak valley.
Okie – This dog hails from Oklahoma, USA.
Olaf – Norse – The name of several kings of Norway.
Olaf – The patron saint of Norway.
Oliver – A great name for the orphan dog that you adopted from the pound.
Olivier – French – Olive tree.
Olympus – Greek Mythology– The home of the gods. An excellent choice for your very large male dog.
Oman – A country located on the Arabian Sea.
Omar – Arabic – The most high follower of the Prophet. Here are more male Arabic dog names.
Omega – This is the final letter of the Greek alphabet.
Omen – This puppy represents things to come.
Onyx – You show this puppy off like a jewel.
Opie – “My Paw can arrest your Paw.”
Orca – A good name for your big black and white male dog.
Orestes – Greek – A man who comes from the mountain.
Orinoco – A large river which forms the boundary between Columbia and Venezuela.
Orion – Greek Mythology – A mighty hunter. This dog can sniff out any prey.
Orlando – Spanish – From the great land.
Orpheus – Greek Mythology – A musician who played the lyre. Even rivers stopped flowing to listen to his beautiful playing.
Orrin – Irish – Fair skinned.
Orson – Latin – The courage of a bear.
Orville – French – A resident of the golden village. A great choice for your male Golden Retriever.
Osborn – English – Divine warrior. This male guard dog was heaven-sent.
Oscar – Norse – A divine spear-man. Another of the more popular male dog names that start with O.
Osiris – Egyptian Mythology – The husband of Isis. He was the chief god of the underworld.
Othello – Title character of the Shakespearean tragedy. He kills his wife out of false jealousy.
Otis – Greek – A person with great hearing.
Otto – German – A prosperous person.
Outlaw – “I stay one step ahead of the law.”
Ovid – A famous Roman poet.
Owen – Greek – High born. A great name for the boy dog that comes from pure blood lines.
Ox – This doggie’s as strong as an ___?
Oxford – “I’m the brainiest pet on the block.”
Ozzy – This animal is crazy as a loon – in a lovable sort of way.