Forrer is a surname. Notable people with the surname include:
Emil Forrer (1894–1986), Swiss Assyriologist and Hittitologist Hans Forrer (1929–2017), Swiss alpine skier Leonard Forrer (1869–1953), Swiss-born British numismatist and coin dealer Ludwig Forrer (1845–1921), Swiss politician Willi Forrer (born 1935), Swiss alpine skier Remo Forrer (born 2001), Swiss singer, representing Switzerland at the Eurovision Song Contest 2023