Tabanan Regency is a regency (kabupaten) located in the province of Bali, Indonesia. It covers a total area of 839.33 km2 and had a recorded population of 478,390 according to the 2024 census.
The regency is bordered by Badung Regency to the east, Buleleng Regency to the north, and Jembrana Regency to the west, with its southern coastline facing the Indian Ocean. The administrative seat of Tabanan Regency is the town of Singasana.