Fux is a German surname. Notable people with the surname include:
- Herbert Fux (1927–2007), Austrian actor
- Johann Fux (1660–1741), Austrian composer, music theorist and pedagogue
- Vinzenz Fux (c. 1606 – 1659), Austrian composer
Fux is a new member of a German student fraternity. Fuxmajors are elder students who are in charge of the fux (s) or füxe (p).