Martin Schirdewan (born 12 July 1975) is a German journalist and politician who has been serving as co-chairman of The Left since June 2022.

From 2006 until 2015, he was a researcher for a Bundestag member from The Left and was senior editor of Sacco & Vanzetti, the youth magazine of socialist daily newspaper Neues Deutschland.

[1] Schirdewan was one of The Left's top candidates in the 2019 European Parliament election in Germany alongside Özlem Demirel.

At a federal Left congress in June 2022, Schirdewan was elected co-leader of the party with 341 votes (61.3%) alongside incumbent Janine Wissler.

He stated that, though he condemned the invasion as a blatant breach of international law, he opposed arms shipments to Ukraine on the grounds that it violated EU directives on exports to war and crisis zones.