Semenivka Raion (Ukrainian: Семенівський район) was a raion (district) in Poltava Oblast of central Ukraine.

The raion's administrative center was the urban-type settlement of Semenivka.

The raion was abolished and its territory was merged into Kremenchuk Raion on 18 July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Poltava Oblast to four.

[1][2] The last estimate of the raion population was 23,722 (2020 est.

)[3] This article about a location in Poltava Oblast is a stub.