Mukim Bukit Sawat is a mukim in Belait District, Brunei. It had a population of 794 in 2016.
The mukim is located in the east of Belait District, bordering Mukim Telisai, Mukim Ukong and Mukim Rambai of Tutong District to the north, north-east and east respectively, Mukim Sukang to the south, Mukim Labi to the west and Mukim Liang to the north-west.
The mukim is named after Kampong Bukit Sawat, one of the villages it encompasses.
As of the 2016 census, the population was 794 with males and females. The mukim had 220 households occupying 220 dwellings. The entire population lived in rural areas.
As of 2021, the mukim comprised the following villages:
The primary schools () in the mukim include:
Each school also houses a (school for the country's Islamic religious primary education).