Name	Meaning	Gender	Origin	Similar
Oaghavanth	King	Male	Indian	-
Oaka	Oak Tree; From the Woods	Female	Indian	-
Oakden	From the oak tree valley.	Male	English	-
Oakes	from the oak-tree grove	Male	English	-
Oakley	from the oak meadow	Male	Old-English	-
Oakley	From the oak - tree meadow.	Male	English	-
Oanez		Female	Breton	-
Oasis	Desert	Male	Indian	-
Oates	Variant of Odo: Wealth.	Male	German	-
Oba	King.	Male	Egyptian	-
Obadiah	servant of God	Male	Hebrew	Obed, Obie, Obe
Obaid	Small Slave	Male	Arabic	-
Obaid	Little servant.	Male	Afghan	-
Obaid	Small Slave	Male	Muslim	-
Obaida	Tittle servant. Female of Obaid.	Female	Afghan	-
Obaidullah	Little servant of God.	Male	Afghan	-
Obalesh	Lord Shiva	Male	Bengali	-

Obalesh	Lord Shiva	Male	Indian	-
Obaleshwar	Shiva	Male	Indian	-
Obasi	In honor of the supreme God	Male	African	-
Obataiye	King of the world	Male	African	-
Obayana	The king warms himself at the fire	Male	African	-
Obediah	Serves God	Male	Hebrew	-
Obelia	pillar of strength	Female	Greek	-
Obelie	Pointed pillar.	Female	Greek	-
Obelix	pillar of strength	Male	Greek	Obelius
Oberon	Noble and bear-like. In a Midsummer Night's Dream, Shakespeare altered the spelling of Auberon (King of the fairies) to Oberon.	Male	German	-
Oberon	In A Midsummer Night's Dream, Shakespeare altered the spelling to Auberon, king of the fairies, to Oberon.	Male	English	-
Oberon	'A Midsummer Night's Dream' King of the Fairies.	Male	Shakespearean	-
Obharnait	Little green one	Female	Irish	-
Obi	Heart	Male	African	-
Obiajulu	the heart is consoled	Male	African	-
Obiareus	A Titan.	Male	Greek	-

Obike	A strong household	Male	African	-
Obil	That weeps, who deserves to be bewailed.	Female	Biblical	-
Obioma	Kind woman	Female	African	-
Occhar	N/A	Male	Indian	-
Occhav	N/A	Male	Indian	-
Oceana	Form of Oceanus. In Greek mythology Oceanus was a Titan father of rivers and water nymphs.	Female	Greek	-
Oceanus	Father of the Oceanids.	Male	Greek	-
Ocelfa	From the high plain.	Male	English	-
Ochaar	N/A	Male	Indian	-
Ochen	one of the twins	Male	Ugandan	-
Ocnus	Incompetent.	Male	Greek	-
Octave	Born eighth.	Male	French	-
Octavia	Born eighth.	Female	Italian	-
Octavia	eighth child	Female	Latin	Octavie
Octavian, Octavo	the eighth	Male	Filipino	-
Octaviana	Eighth. Feminine of Octavius. A clan name of Roman Emperors.	Female	Latin	-

Octavie	Born eighth.	Female	Latin	-
Octavius	'Antony and Cleopatra'. Octavius Caesar, Roman triumvir. 'The Tragedy of Julius Caesar' Triumvir after Caesar's death, later Augustus Caesar, first emperor of Rome.	Male	Shakespearean	-
Octavius	eighth child	Male	Latin	Octavus, Octavio, Octavian, Tavie, Tavy, Oktávián
Octe	A son of Hengist.	Male	Anglo	-
Octha	Wealthy.	Male	Anglo	-
Octha	Enemy of Arthur.	Male	Arthurian-Legend	-
October	born in October	Both	Filipino	-
Ocumwhowurst	Yellow wolf (Cheyenne).	Male	Native-American	-
Ocunnowhurst	Yellow wolf (Cheyenne).	Male	Native-American	-
Ocvran	Father of Guinevere.	Male	Arthurian-Legend	-
Ocyale	An Amazon.	Female	Latin	-
Ocypete	A Harpy.	Female	Greek	-
Odön	keeper of the fief	Male	Hungarian	Ödön
Oda	small pointed spear	Female	Norse	-
Oda	Elfin spear.	Female	German	-