Jakub Zadzik (1582 â 17 March 1642) was a Polish Great Crown Secretary from 1613 to 1627, bishop of Cheà Âmno from 1624, Crown Deputy Chancellor from 1627, Great Crown Chancellor from 1628 to 1635, bishop of Kraków from 1635, diplomat, szlachcic, magnate in the PolishâÂÂLithuanian Commonwealth. His coat of arms was Korab.
He was born in Druà ¼bin, PoddÃÂbice County, Poland. In 1626, Jakub Zadzik was instrumental in convincing the Sejm in Toruà  to increase taxes in order to generate funds for the war against Sweden and to create a commission for reformation of the military treasury.
He negotiated the Treaty of Altmark in 1629 and the Treaty of Sztumska Wieà  in 1635 with Sweden, which ended the Polish-Swedish War, and the Treaty of Polanów with Russia in 1634, ending the Smolensk War.
He was a dedicated Catholic and a supporter of the Counter-Reformation. In 1638 he succeeded in closing the Polish Brethren center in Raków. He often opposed Wà Âadysà Âaw IV Waza, especially his actions designed to regain the throne of Sweden and strengthen the powers of the monarchy by means of military action.
Zadzik sponsored the Cracow Bishops' Palace in Kielce, now a museum.