Busk Raion (Ukrainian: Буський район) was a raion (district) in Lviv Oblast (region) in western Ukraine.

Its administrative center was the town of Busk.

The raion was abolished on 18 July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Lviv Oblast to seven.

[1][2] The last estimate of the raion population was 45,934 (2020 est.).

[3] At the time of disestablishment, the raion consisted of two hromadas:[4] The villages (selo) of the Busk Raion included: