Piotr Pac () (after 1570âÂÂ1642) was a Polish-Lithuanian noble, Lithuanian Court ChorÃ à ¼y from 1613, Lithuanian Court Treasurer from 1635, Voivode of Trakai (1640–1642).
He took part in the Battle of Kircholm in 1605. In 1607 he took part in the commission setting borders between the PolishâÂÂLithuanian Commonwealth and Duchy of Courland.