Liedtke is a common personal name that may refer to several people:
- Antonina Liedtke, Polish science fiction writer
- Jochen Liedtke (1953–2001), German computer scientist
- Harry Liedtke, German actor who appeared in Die Fledermaus and I Kiss Your Hand, Madame
- William Liedtke, cofounder of Zapata Corporation
- Hugh Liedtke, cofounder of Zapata Corporation