Herrljunga Municipality (Herrljunga kommun) is a municipality in Västra Götaland County in western Sweden. Its seat is located in the town of Herrljunga.
The local government reform of 1952 formed two municipalities, Herrljunga and Gäsene, in the area. Before that the number was 22. In 1974 they were merged to form the present entity.
55% of the population live in built-up areas. The largest of them are:
Coordinates: 58°05′N 13°02′E / 58.083°N 13.033°E