Dean Rioli (born 20 May 1978) is a former Australian rules football player who spent his whole professional career with the Essendon Football Club in the Australian Football League. The nephew of Maurice Rioli, the Richmond Football Club champion of the 1980s, Rioli grew up on the Tiwi Islands in the Northern Territory, but was recruited from the South Fremantle Football Club in the 1998 Rookie Draft. He was a member of South Fremantle's 1997 Premiership winning team. His father, Sebastian Rioli, played for South in the 1970s, and his younger brother joined South in 2010.