People:
- Adolph Franz Friedrich Ludwig (Freiherr von) Knigge (1752–1796), German writer
- Rolf Peter Knigge (1951–1990), German pop singer/songwriter
Etiquette
- Adolph Freiherr Knigge's 1788 book On Human Relations is still often referred to as Knigge
- Derived from the above, any ruleset or book that concerns itself with etiquette
See also
- 32899 Knigge (1994 PY1), a main-belt asteroid discovered on 1994 by F. Borngen