Mena Raion was a raion (district) of Chernihiv Oblast, northern Ukraine. Its administrative centre was located at the city of Mena. The raion was abolished on 18 July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Chernihiv Oblast to five. The area of Mena Raion was split between Chernihiv and Koriukivka Raions. The last estimate of the raion population was 33,730