Petr Fuksa (born 28 September 1969 in Nymburk) is a Czech sprint and marathon canoeist who competed from 1996 to 2006. He won eleven medals at the ICF Canoe Sprint World Championships with two golds (C-4 200 m: 1998, 2006), seven silvers (C-2 200 m: 2002, 2003; C-4 200 m: 1999, 2001, 2002, 2003, 2005), and two bronze (C-2 200 m: 1997); C-4 200 m: 1997.
Fuksa also competed at the 1996 Summer Olympics in Atlanta. Paired with Pavel Bednář, he was eliminated in the semifinal rounds in both the C-2 500 m and C-2 1000 m events. His son Martin Fuksa is a world class canoeist as well, winning the C-1 500m at Moscow 2016 and competing at the Rio Olympic games.
Fuksa is the father of Olympic canoeists Martin and Petr Fuksa Jr.