Otto von Schack
Otto von Schack is the name of the following people:
- Otto von Schack (Major General) (1851–1914), German Major General
- Otto Friedrich von Schack (Lieutenant General) (1668–1751), Dutch Lieutenant General
- Otto Friedrich Ludwig von Schack (1763–1815), German major and literary role model
- Otto Wilhelm Christian von Schack (1731–1781), German colonel