Polina Alekseyevna Leykina (born 20 September 1994) is a Russian professional tennis player.
Leykina has a career high WTA singles ranking of 189 achieved on 4 April 2016. She also has a career high WTA doubles ranking of 230 achieved on 28 December 2015. Leykina has won 8 ITF singles titles and 13 ITF doubles titles in her career.