Marcin Grzybowski (born 10 January 1979) is a Polish sprint and marathon canoeist who has competed since the early 2000s. He won three medals in the C-4 500 m event at the ICF Canoe Sprint World Championships with two silvers (2003, 2006), and a bronze (2002).
Grzybowski also competed in the C-1 1000 m event at the 2008 Summer Olympics in Beijing, but was eliminated in the semifinals. At the 2012 Summer Olympics, he competed in the C-2 1000 m with Tomasz Kaczor, again being eliminated in the semi-finals.[1]