Anna Klasen

Anna Klasen (born 15 November 1993) is a German tennis player.

Klasen has a career-high singles ranking by the Women's Tennis Association (WTA) of world No. 426, achieved on 6 April 2015, and a doubles ranking of No. 341, achieved on 19 September 2016. She has won two singles titles and 15 doubles titles on the ITF Circuit. Her younger sister Charlotte Klasen was also a professional tennis player.

Klasen made her WTA Tour main-draw debut at the 2022 Hamburg European Open in the doubles draw, partnering Tamara Korpatsch.