Worldwide, Oiyama (Oiyama ) is an extremely rare unknown gender first name. Much more frequently, Oiyama is the last name as well as the forename.
オイヤマ
Ms, Saki, Maria, Shota, Reiko, Yukio, Masato, Shigeo, Kayoko, Seiichi, and Tomoshi
) is an extremely rare unknown gender first name. Much more frequently, Oiyama is the last name as well as the forename.