Dietmar Gerhard Bartsch (born 31 March 1958) is a German politician. He has been the co-chair of The Left parliamentary group in the Bundestag since 2015.
He has been a member of the Bundestag since 2005, and previously served from 1998 to 2002. He has been the federal co-lead candidate for his party three times: 2002, 2017, and 2021.[1]