Klungkung Regency (Indonesian: Kabupaten Klungkung; Balinese: ᬓᬩᬸᬧᬢᬾᬦá„ᬓá„ᬮᬸᬂᬓᬸᬂ, Kabupatén Klungkung) is the smallest regency (kabupaten) in the province of Bali, Indonesia. It has an area of 315 km and had a population at the 2024 census of 223,720. It is bordered by Bangli Regency to its north, Gianyar Regency to its west, Karangasem Regency and the Lombok Strait to its east, and the Badung Strait and the Indian Ocean to its south. Its regency seat is the town of Semarapura.
The official estimate as at mid 2024 was 223,720 (107,177 males 106,815 and females in 2022).