Treaty of Vilnius may refer to Pact of Vilnius and Radom (1401) Union of Kraków and Vilna (1499) Treaty of Vilnius (1559), during the Livonian War Treaty of Vilnius (1561), during the Livonian War Truce of Vilna (1656), during the Russo-Polish War (1654–1667) and the Second Northern War (1655–1660)