Deadlock
Knackfuß or Knackfuss is the family name of the following people:
- Eduard Heinrich Knackfuss OP (1858–1945; Father's name Lucas ), German Dominican, Catholic priest and painter
- Friedrich Ludwig Karl Knackfuß (1772–1842), Prussian major general
- Hermann Knackfuß (1848–1915), German history painter
- Hubert Knackfuß (1866–1948), German building researcher and archaeologist