Mona Barthel (born 11 July 1990) is a German tennis player.
Barthel has won four singles and three doubles titles on the WTA tour as well as five singles and one doubles title on the ITF circuit in her career.
On 18 March 2013, Barthel reached her best singles ranking of world number 23.
On 14 September 2015, she peaked at world number 63 in the doubles rankings.