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In the entire world, Ōu (Ōu ) is an extremely rare unknown gender forename. Also, Ōu is the last name as well as the forename.
Ao, Au, Aw, Ou, Ow, Âu, Оу, アウ, アオ, オウ, 区, 區姓, 欧, 歐, and 殴
Ōu is also a name for the fictitious and mythical characters: .