Tiemo Wölken (born 5 December 1985) is a German politician and Member of the European Parliament (MEP) representing Germany since 14 November 2016.
He is a member of the Social Democratic Party, part of the Party of European Socialists.He replaced Matthias Groote who resigned to run for local office.
Wölken was educated at the Halepaghen Grammar School before studying law at the University of Osnabrück, where he specialised in European public law.
He also completed a supplementary course in economics at the University of Osnabrück before completing a Master in International Law in 2013 at the University of Hull in England.