Reginald Hargreaves Harris OBE (1 March 1920 – 22 June 1992) was an English track racing cyclist in the 1940s and 1950s. He won the world amateur sprint title in 1947, two Olympic silver medals in 1948 and the world professional title in 1949, 1950, 1951 and 1954. His ferocious will to win made him a household name in the 1950s, but he also surprised many with a comeback more than 20 years later, winning a British title in 1974 at the age of 54.