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 - tree meadow.	Male	English	-
Oakley	from the oak meadow	Male	Old-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	Little servant.	Male	Afghan	-
Obaid	Small Slave	Male	Arabic	-
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	In A Midsummer Night's Dream, Shakespeare altered the spelling to Auberon, king of the fairies, to Oberon.	Male	English	-
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	'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	eighth child	Male	Latin	Octavus, Octavio, Octavian, Tavie, Tavy, Oktávián
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	-
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	Elfin spear.	Female	German	-
Oda	small pointed spear	Female	Norse	-