Name Ōshima Type Surname (from location) Usage Japanese Scripts 大島, 大嶋(Japanese Kanji) Pronounced Pron. /o̞ː.ɕi.ma̠/ Other Forms FormsOshima Edit Status Status Meaning & History From Japanese 大 (o) meaning "big, great" and 島 or 嶋 (shima) meaning "island".