Mitani (surname)

Mitani is a Japanese surname. Notable people with this name include:
 * Koichiro Mitani (born 1968), judoka
 * Kōki Mitani (born 1961), playwright
 * Minatsu Mitani (born 1991), badminton player
 * Mitsuo Mitani (born 1959), politician
 * Mitani Takanobu (1892–1985), government official