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 shogunate
Michiharu Mishima (1897–1965), viscount of the Scout Association of Japan, Chief Scout of Japan
Yukio 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
