Kamianka Raion was a raion (district) of Cherkasy Oblast, central Ukraine. Its administrative centre was located at the town of Kamianka. The raion was abolished on 18 July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Cherkasy Oblast to four. The area of Kamianka Raion was merged into Cherkasy Raion. The last estimate of the raion population was 25,767