Marta Leśniak (born 15 March 1988) is a Polish former professional tennis player.

[1] Leśniak won ten singles and two doubles titles on the ITF Circuit during her career.

In 2019, she played for Poland at the Military World Games in Wuhan, China where she won two bronze medals, in women's singles and mixed doubles.

[2] Leśniak decided to follow the college route and played for the Southern Methodist University SMU Mustangs varsity tennis team from 2008 to 2011.

[3] She reached the final of the Polish national tennis championships in 2016, and was defeated by Anastasiya Shoshyna in straight sets.