Haefliger may refer to the following people:
- André Haefliger (1929-2023), Swiss mathematician
- Andreas Haefliger, Swiss pianist, son of Ernst
- Ernst Haefliger (1919–2007), Swiss tenor
- Fred Haefliger, United States Marine Corps in World War I
Haefliger may also refer to:
- Haefliger structure in mathematics