Maciej Konieczny [ˈmat͡siɛj ˈkɔniɛt͡sznɨ] ⓘ (born 14 October 1980) is a Polish culture expert, left-wing politician, member of the Board of the Partia Razem party.

At the end of his studies, he joined the Association for the Taxation of Financial Transactions and for Citizens' Action (Poland), of which he was a representative at ATTAC Europa.

He was also active in the Young Socialists association (where he met, among others, Adrian Zandberg, Barbara Nowacka and Marcelina Zawisza), in which he was a member of the national council for some time.

In May 2015, he became one of the founders of Partia Razem, a new political party, and was elected to the nine-member Board, together with Jakub Baran, Aleksandra Cacha, Alicja Czubek, Magdalena Malińska, Mateusz Mirys, Katarzyna Paprota, Adrian Zandberg, and Marcelina Zawisza.

In the 2019 parliamentary election Konieczny obtained a Sejm seat as an SLD candidate, receiving 22,262 votes in the Katowice constituency.