Hirotsu

Hirotsu is a Japanese surname. Notable people with the surname include:


 * Eiji Hirotsu (born 1967), Japanese rugby union player
 * Kazuo Hirotsu (1891–1968), Japanese novelist, literary critic and translator
 * Momoko Hirotsu (1918–1988), Japanese novelist
 * Motoko Hirotsu (born 1953), Japanese politician
 * Ryūrō Hirotsu, also Hirotsu Ryūrō (1861–1928), Japanese novelist