David Peachey (born 21 February 1974 in Dubbo, New South Wales) is an Australian former professional rugby league footballer of the 1990s and 2000s. An Australian international and New South Wales representative fullback, he played the majority of his club football in the National Rugby League for the Cronulla-Sutherland Sharks. During his career, Peachey also played for the South Sydney Rabbitohs of the NRL and the Widnes Vikings in the English League One.