Cossonay (disambiguation)
Cossonay stands for:
- Cossonay , municipality in Switzerland
- District of Cossonay , former administrative unit in Switzerland
Cossonay is the family name of:
- a noble family from Vaud, Switzerland, see Cossonay (noble family)
- Aymon de Cossonay († 1375), Bishop of Lausanne
- Jean de Cossonay († 1273), Bishop of Lausanne
