Ralph Vernon Mann (born June 16, 1949) is a retired American sprinter and hurdler. He was an undergraduate at Brigham Young University, and later earned a Ph.D. in Biomechanics from the Washington State University. He competed in the 400 m hurdles at the 1972 Olympics and won the silver medal. Ralph was a five-time AAU champion. He received the AAU’s DiBenedetto Award for the single most outstanding career, most notably for his Olympic silver medal. In 2015, he was inducted into the USA National Track and Field Hall of Fame.