Count Jindrich Matyáš Thurn-Valsassina (German: Heinrich Matthias Graf von Thurn und Valsassina; Italian: Enrico Matteo Conte della Torre di Valsassina) (24 February 1567 – 26 January 1640), was a Czech (Bohemian) nobleman, one of leaders of Protestant Bohemian Revolt against Emperor Ferdinand II.
He took part in events that led to the Thirty Years War, and after the war he became a military leader and diplomat in Swedish service, who eventually resided in Swedish Estonia.