Richard Riszdorfer ( ; born 17 March 1981 in Komárno) is a Slovak canoe sprinter who has competed since the late 1990s. Competing in three Summer Olympics, he won two medals in the K-4 1000 m event with a silver in 2008 and a bronze in 2004.
Riszdorfer has also won eleven medals at the ICF Canoe Sprint World Championships with six golds (K-4 500 m: 2002, 2003, 2006, 2007; K-4 1000 m: 2002, 2003), two silvers (K-4 200 m: 2009, K-4 1000 m: 2005), and three bronzes (K-4 500 m: 2001, K-4 1000 m: 2007, 2009).
Ricsi, the younger brother of teammate Michal, is a member of the à  KP Bratislava club. He is tall and weighs . He has been a scholarship holder with the Olympic Solidarity program since August 2002.
Riszdorfer belongs to the Hungarian minority in Slovakia.