Johannes Haller (disambiguation)
Johannes Haller is the name of the following people:
- Johannes Haller the Younger (1523–1575), Swiss reformer
- Johannes Haller (author) (1546–1596), Swiss pastor and playwright
- Johannes Haller (1865–1947), German historian
- Johannes Haller (actor) (born 1988), reality TV actor
- Johannes Evangelist Haller (1825–1900), South Tyrolean and Austrian clergyman, Prince Archbishop of Salzburg