Vilem Slavata of Chlum

Wilhelm Graff Schlabata, Kaysers Ferdinandi des andern geheimber Rath, Cammerer, und Groß Cantzler des Königreichs Behaimb. A contemporary copperplate by Wolfgang Kilian

Vilém Slavata z Chlumu a Košumberka (; ) (1 December 1572 – 19 January 1652) was a Czech nobleman from an old Bohemian family. As viceregent (místodržící) of Emperor Ferdinand II of Habsburg (from 1617) he became famous as co-victim, along with Jaroslav Borzita of Martinice, of the 1618 Defenestration of Prague.