>
Surname Oshima (オオシマ , ヒロミ , Oshima ) , globally, is a widespread last name. The surname Oshima is habitual in Japan, where it is a common surname, Singapore, where it is a rare surname, and Brazil. Not in comparison with a country's population, it most frequently occurs in Japan, Brazil, and the United States. Much less frequently, Oshima is the forename as well as the last name.