Svenljunga Municipality (Svenljunga kommun) is a municipality in Västra Götaland County in western Sweden. Its seat is located in the town of Svenljunga.
The present municipality was created in 1971 when five municipal units (or parts thereof) were amalgamated. The number of original entities (as of 1863) is 14.
Through the municipality the river Ätran flows in a scenic valley. It flows through the town of Svenljunga, where an old bridge crosses it.
Coordinates: 57°30′N 13°07′E / 57.500°N 13.117°E