Buchach Raion (Ukrainian: Бучацький район) was a raion (district) of Ternopil Oblast in western Ukraine.

Its administrative center was the city of Buchach.

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

[1][2] The last estimate of the raion population was 62,242 (2020 est.).

[3] At the time of disestablishment, the raion consisted of three hromadas:[4] About Buchach district Shevchenko Scientific Society 1972 published a book «The city of Buchach and its Region».