Kathleen Radtke (born 31 January 1985) is a German footballer who plays as a defender for MSV Duisburg.

Radtke studied sports psychology at the Friedrich-Schiller-University Jena until her move to Sweden in the spring of 2013.

[2] She then played for the youth teams of CFC Germania Köthen and Hallescher FC where she has named 2001 Sportswoman of the Year.

FFC Turbine Potsdam and then joined the youth club, CFC Germania Köthen, in 2004.

[6][7][8] Having become one of the first three Germans to win the Swedish women's league title, on 3 July 2014 Radtke moved to England to join WSL newcomers Manchester City.