Mishima (written: 三島 or 三嶋) is a Japanese surname. Notable people with the surname include:
Mishima Michitsune (1835–1888), viscount and statesman of the Tokugawa shogunateMichiharu Mishima (1897–1965), viscount of the Scout Association of Japan, Chief Scout of JapanYukio Mishima (1925–1970), the penname of Kimitake Hiraoka, a Japanese novelist and playwright and subject of the film Mishima: A Life in Four Chapters (1985) and 11:25 The Day He Chose His Own Fate (2012).Dokonjonosuke Mishima (born 1972), Japanese mixed martial artist