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All around the world, Ояма (小山 , Oyama , Ojama , along with others...) is a common dominantly masculine, but infrequently feminine forename. The given name Ояма is characteristic of Nigeria, where it is quite a rare unisex name, China, where it is quite a rare predominantly masculine, but very infrequently feminine name, and South Africa, where it is a rare gender-neutral name. Likewise, Ояма is the last name as well as the forename.
Ояма is also a name for the fictitious and mythical characters: .