William Raymond Amm (10 December 1927 – 11 April 1955) was a Rhodesian professional motorcycle racer known for two motorcycle Grand Prix wins and three wins at the Isle of Man TT Races in his career.
After signing for the 1955 Grand Prix motorcycle racing season to ride for MV Agusta, Amm was killed in his first race for MV Agusta in Italy in 1955.