Siegfried Sack
Siegfried Sack is the name of the following people:
- Siegfried Sack (Provost) († after 1436), German clergyman, Provost of Berlin
- Siegfried Sack (theologian) (1527–1596), German theologian and cathedral preacher
- Siegfried Sack (artist) (* 1938), German painter, sculptor and art teacher