Franz Ferdinand Leopold Stampfl MBE (born Vienna 18 November 1913 – died 19 March 1995 Melbourne) was one of the world's leading athletics coaches in the twentieth century. He pioneered a scientific system of Interval Training which became very popular with sprint and middle distance athletes. His most striking success was the world's first sub-four minute mile by Roger Bannister in 1954. Stampfl was posthumously awarded the World Athletics Heritage Plaque as a "legendary and pioneering coach" on 26 September 2019.