Leopold Leonhard Raymund Count of Thun and Hohenstein was the 73rd Bishop of Passau and the last Prince-Bishop of Passau.
- Occupation
- Catholic priest, Catholic deacon, Catholic bishop
- Position held
- Roman Catholic Bishop of Passau, vicar general, Prince-Bishop
- Citizenship
- Germany
- Born
- April 17, 1748
- Died
- October 22, 1826