Reilley is both a surname and a given name. Notable people with the name include:
Surname: Charlie Reilley (1856–1904), American baseball player Duke Reilley (1884–1968), American baseball player Hugh Reilley (1918–1940), Canadian World War II pilot Thomas T. Reilley (1883–1940), American football coach
Given name: Reilley Rankin (born 1979), American golfer
See also Reilly (disambiguation) Riley (disambiguation)