Lena Papadakis (née Rüffer; born 23 August 1998) is a German tennis player.

Papadakis has a career-high singles ranking by the WTA of world No.

250, achieved in January 2023, and a career-high doubles ranking of No.

She made her WTA Tour debut at the 2015 Nürnberger Versicherungscup, partnering Katharina Gerlach in the doubles draw.

[1] Only main-draw results in WTA Tour (incl.