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:

• Annelund
• Fåglavik
• Herrljunga
• Hudene
• Ljung

This is a demographic table based on Herrljunga Municipality's electoral districts in the 2022 Swedish general election sourced from SVT's election platform, in turn taken from SCB official statistics.^[3]

In total there were 9,493 residents, including 7,313 Swedish citizens of voting age.^[3] 42.5% voted for the left coalition and 55.8% for the right coalition.

Since the 2022 election the municipal government is controlled by a majority consisting of the Social Democrats, Left Party, Centre Party and Liberals with Mats Palm of the Social Democrats as commissioner.^[4] The municipal council of Herrljunga has 34 seats.^[5]