Ksenia Valentinovna Lykina (Russian: Ксения Валентиновна Лыкина; born 19 June 1990) is a Russian former tennis player.

Her highest WTA singles ranking is No.

Her career-high in doubles is 108, which she achieved in February 2017.

She is an Australian Open girls' doubles champion (2008), and a finalist of US Open girls' doubles (2007).

Her best ITF junior ranking was No.