Richard Dennis Hanley (February 19, 1936 – May 11, 2022) was an American competition swimmer, Olympic medalist, and former world record-holder.

Competing for Evanston High in February 1954, he qualified for the Suburban League varsity swimming meet in both the 100 and 200-yard freestyle.

Swimming the freestyle leg in 1955, he was part of a 150-yard medley relay team that lowered their own interscholastic record to 1:18 in the finals of the Suburban League meet.

[4][5] He attended the University of Michigan, where he swam for Hall of Fame Coach Gus Stager and was a varsity swimmer for the Michigan Wolverines swimming and diving team in National Collegiate Athletic Association (NCAA) competition from 1955 to 1959.

[6][8] At the 1956 Summer Olympics in Melbourne, Australia, he received a silver medal for swimming the lead-off leg for the runner-up U.S. team in the men's 4×200-meter freestyle relay.