Dufaux may refer to:
- Armand Dufaux (1883-1941), Swiss aviation pioneer
- Dufaux automobile, Swiss race car manufacturer, 1904 - 1907.
- Henri Dufaux (1879-1980), aviation pioneer, brother of Armand
- Laurent Dufaux (b. 1969), bicyclist
- Dufaux, the Japanese name of Dufort, a character in Zatch Bell!
- Dufaux triplane (Dufaux 3), an experimental aircraft constructed by Henri and Armand Dufaux
- Dufaux 4, a biplane constructed by Henri and Armand Dufaux
- Dufaux 5, a biplane constructed by Henri and Armand Dufaux