Kamil Kašťák (born May 8, 1966 in Most, Czechoslovakia) is a Czech former ice hockey player.
Kašťák played in the Czech Extraliga for Dukla Jihlava, HC Litvínov, HC Sparta Prague and HC Plzeň. He also played in the Swedish Elitserien for HV 71, the SM-liiga in Finland for Lukko and finished his career in Germany for the Lausitzer Füchse.
Kašťák played on the 1992 Czechoslovak Bronze Medal winning Olympic ice hockey team.
In April 2005 he became the coach of the Czech Second League team HC Most.