Klaus Lederer (born 21 March 1974) is a German politician of The Left who is serving as Deputy Mayor and Senator for Culture and Europe in the Berlin state government since December 2016. He is also a member of the Abgeordnetenhaus of Berlin since 2001. He previously served as chairman of the Berlin branch of The Left from 2006 to 2016. He was lead candidate for his party in the 2016 and 2021 state elections.