Jan Tříska
- Born
- 4 November 1936 (80 years old)
- Passed away
- 25 September 2017
- Place of birth
- Praha, Československo
- Gender
- Male
Jan Triska or Jan Tříska (Czech pronunciation: [ˈjan ˈtr̝̊iːska]; 4 November 1936) is a Czech actor, most notable for portraying Captain Henry Wirz in the American television film Andersonville.