Katja Mast

Katja Mast
Mast in 2020
Chief Whip of the SPD Group in the Bundestag
In office
9 December 2021  7 May 2025
LeaderRolf Mützenich
Preceded byCarsten Schneider
Succeeded byDirk Wiese
Member of the Bundestag
Assumed office
18 September 2005
Personal details
Born (1971-02-04) 4 February 1971
Offenburg, West Germany
(now Germany)
Political partySPD (since 1993)
Alma materUniversity of Heidelberg

Katja Mast (born 4 February 1971) is a German politician of the SPD who has been serving as a member of the Bundestag from the state of Baden-Württemberg since 2005.

In addition to her work in parliament, Mast has been serving as a Parliamentary State Secretary at the Federal Ministry of Labour and Social Affairs in the government of Chancellor Friedrich Merz since 2025.