Siegfried Lehmann
Siegfried Lehmann is the name of the following people:
- Siegfried Lehmann (businessman) (1884–1943), German businessman, namesake of the Siegfried Lehmann Foundation
- Siegfried Lehmann (educator) (1892–1958), German-Israeli doctor and educator
- Siegfried Lehmann (politician) (* 1955), German politician (Alliance 90 / The Greens)