Sigmund Friedrich Fugger von Kirchberg und Weißenhorn was a German cleric of the Fugger family, most notable as bishop of Regensburg from 2 July 1598 to 1600.
- Occupation
- Catholic priest, Catholic bishop, bishop
- Position held
- Roman Catholic Bishop of Regensburg, diocesan bishop, bishop
- Citizenship
- Germany
- Born
- 1542
- Died
- 1600, November 5, 1600