Jerzy Tyszkiewicz (Lithuanian: Jurgis Tiškevičius) (1596–1656) was auxiliary bishop of Vilnius from 1627 to 1633, bishop of Samogitia from 1633 to 1649, and bishop of Vilnius from 1649 to 1656.
He was born in Vištytis (Polish: Wisztyniec) town, to a prominent noble family of Tyszkiewicz (Tiškevičiai).
Educated in jesuit academies, he took the Holy Orders in 1622. He served as the canon in Kraków (Cracow) and later, Vilnius. In 1637 he would found a monastery in what would become the town of Žemaičių Kalvarija. Using his personal wealth, he built churches in Surviliškis, Kuliai, Laukžemė, Pušalotas and in other Lithuanian places.
He was seen as an active administrator, politician and diplomat.
| Catholic Church titles | ||
|---|---|---|
| Preceded by Merkelis Geišas (Melchior Gieysz) |
Bishop of Samogitia 1633–1649 |
Succeeded by Piotr Parczewski |
| Preceded by Abraham Woyna |
Bishop of Vilnius 1649–1656 |
Succeeded by Jan Karol Dowgiałło Zawisza |