Katarzyna Piter (Polish pronunciation: [kata'??na 'pit?r]; born 16 February 1991) is a Polish tennis player.
In the spring of 2014, she reached her career-high rankings, No.
95 in singles and 67 in doubles.
She has won eight singles and 22 doubles titles on the ITF Women's Circuit.
In July 2013 at Palermo, Piter won her sole title on the WTA Tour.
Partnering Kristina Mladenovic, she upset KarolĂna & KristĂ˝na PlĂšková in the final in a super-tiebreak decision.