Janusz Skumin Tyszkiewicz (1570–1642) was a noble of the Polish–Lithuanian Commonwealth, a politician, a sponsor of Baroque music and a writer (1610+). He held numerous political offices, including voivode of Mścisław (1621–1626), voivode of Trakai (1626–1640) and voivode of Vilnius (1640–1642), as well as starost of Brasławski, Jurbarkas, and Nowy Dwór Gdański in the Polish–Lithuanian Commonwealth.