Józef Kanty Ossoliński

Józef Jan Kanty Ossoliński (1707–1780) was a magnate in the Polish–Lithuanian Commonwealth. Supported Stanisław Leszczyński, although abandoned him in 1733 when his cause looked worse and from 1735 he became a supporter of August III the Saxon. He became a close ally of hetman Jan Klemens Branicki and his political group, and one of the most known opponents of the familia. From 1757 he became the voivode of Wołyń and received the Order of the White Eagle. He opposed the election of Stanisław August Poniatowski, who at that time received support from the Russian Empire. Supporter of the Bar Confederation. In 1775 he resigned his voivode office and retreated from politics.

Son of Franciszek Maksymilian Ossoliński and Katarzyna Miączyńska. Father of Maksymilian Ossoliński, Józef Salezy Ossoliński, Anna Teresa Ossolińska and Marianna Ossolińska.