Baby boy names that start with O

Name	Gender	Origin	Meaning
Oakes	Male	English	The English name Oakes means – oak trees
Oakley	Male	English	The English name Oakley means – oak-tree field
Obadiah	Male	Hebrew	The Hebrew name Obadiah means – servant of God
Obdulio	Male	Latin	The Latin name Obdulio means – he who calms in sorrowful moments
Obed	Male	English	The English name Obed means – a short form of Obadiah
Oberon	Male	German	The German name Oberon means – noble; bearlike
Obert	Male	German	The German name Obert means – wealthy; bright
Octavio	Male	Latin	The Latin name Octavio means – eighth
Octavious	Male	Latin	The Latin name Octavious means – a form of Octavio
Octavis	Male	Latin	The Latin name Octavis means – a form of Octavio
Oded	Male	Hebrew	The Hebrew name Oded means – encouraging
Odoacro	Male	German	The German name Odoacro means – he who watches over his inheritance
Odolf	Male	German	The German name Odolf means – prosperous wolf
Odwin	Male	German	The German name Odwin means – noble friend
Ofer	Male	Hebrew	The Hebrew name Ofer means – young deer
Ofir	Male	Hebrew	The Hebrew name Ofir means – ferocious
Ogden	Male	English	The English name Ogden means – oak valley. Literature: Ogden Nash was a twentieth-century American writer of light verse
Olin	Male	English	The English name Olin means – holly
Oliver	Male	Latin	The Latin name Oliver means – olive tree
Olivo	Male	Latin	The Latin name Olivo means – olive branch
Ollie	Male	English	The English name Ollie means – a familiar form of Oliver
Olric	Male	German	The German name Olric means – a form of Ulric
Onofrio	Male	German	The German name Onofrio means – a form of Humphrey
Onslow	Male	English	The English name Onslow means – enthusiast’s hill
Ophir	Male	Hebrew	The Hebrew name Ophir means – faithful. Bible: an Old Testament people and country
Optato	Male	Latin	The Latin name Optato means – desired
Oral	Male	Latin	The Latin name Oral means – verbal; speaker
Ordell	Male	Latin	The Latin name Ordell means – beginning
Orel	Male	Latin	The Latin name Orel means – listener
Oren	Male	Hebrew	The Hebrew name Oren means – pine tree
Orien	Male	Latin	The Latin name Orien means – visitor from the east
Oriol	Male	Latin	The Latin name Oriol means – golden oriole
Orlando	Male	German	The German name Orlando means – famous throughout the land
Orleans	Male	Latin	The Latin name Orleans means – golden
Orman	Male	German	The German name Orman means – mariner, seaman
Ormond	Male	English	The English name Ormond means – bear mountain; spear protector
Orrick	Male	English	The English name Orrick means – old oak tree
Orrin	Male	English	The English name Orrin means – river
Orris	Male	Latin	The Latin name Orris means – a form of Horatio
Orry	Male	Latin	The Latin name Orry means – fro the Orient
Orson	Male	Latin	The Latin name Orson means – bearlike
Orton	Male	English	The English name Orton means – shore town
Orval	Male	English	The English name Orval means – a form of Orville
Orvin	Male	English	The English name Orvin means – spear friend
Osbert	Male	English	The English name Osbert means – divine; bright
Osgood	Male	English	The English name Osgood means – divinely good
Osmar	Male	English	The English name Osmar means – divine; wonderful
Osmond	Male	English	The English name Osmond means – “divine protector.”
Osric	Male	English	The English name Osric means – divine ruler
Ostin	Male	Latin	The Latin name Ostin means – a form of Austin
Oswald	Male	English	The English name Oswald means – God’s power; God’s crest
Oswin	Male	English	The English name Oswin means – “divine friend.”
Othman	Male	German	The German name Othman means – wealthy
Othniel	Male	Hebrew	The Hebrew name Othniel means – strength of God
Otniel	Male	Hebrew	The Hebrew name Otniel means – God is my strength
Otoniel	Male	Hebrew	The Hebrew name Otoniel means – God is my strength
Otto	Male	German	The German name Otto means – “rich.” Renowned men with this name include filmmaker Otto Preminger and Otto von Bismarck, Prussian-German statesman in the 19th century
Ottokar	Male	German	The German name Ottokar means – happy warrior
Oved	Male	Hebrew	The Hebrew name Oved means – worshiper, follower
Overton	Male	English	The English name Overton means – high town
Oxford	Male	English	The English name Oxford means – place where oxen cross the river
Oxley	Male	English	The English name Oxley means – ox meadow
Oxton	Male	English	The English name Oxton means – ox town
Oz	Male	Hebrew	The Hebrew name Oz means – This name means “strength.”
Ozias	Male	Hebrew	The Hebrew name Ozias means – God’s strength
Oziel	Male	Hebrew	The Hebrew name Oziel means – he who has divine strength
Ozzie	Male	English	The English name Ozzie means – a familiar form of Osborn
Ozzy	Male	English	The English name Ozzy means – a familiar form of Osborn