Melanie Klaffner (; born 22 May 1990) is an Austrian former tennis player. On 27 January 2014, she reached her best singles ranking of world No. 175. On 25 May 2009, she peaked at No. 148 in the WTA doubles rankings.
Klaffner has won 15 singles and 26 doubles titles on the ITF Circuit.
Playing for Austria Fed Cup team, Klaffner has a winâÂÂloss record of 23âÂÂ20 as of 2024.