Stephanie Nemtsova (born 15 April 1998) is an American former professional tennis player.
Nemtsova has a career-high singles ranking of world No. 946, achieved on 9 April 2018, and a career-high WTA doubles ranking of 622, reached on 28 August 2017.
She made her WTA Tour main-draw debut at the 2017 Copa Colsanitas, in the doubles draw partnering Alyssa Mayo.