Balakliia Raion (Ukrainian: Балаклійський район) was the largest raion (district) in Kharkiv Oblast of Ukraine.

The area of the raion was 1,986.4 km2, corresponding to 6.3% of the total territory of Kharkiv Oblast.

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

[1][2] The last estimate of the raion population was 78,337 (2020 est.

)[3] At the time of disestablishment, the raion consisted of three hromadas:[4]