Nikita Marselovych Mashtakov (Ukrainian: Нікіта Марсельович Маштаков; born 18 March 1999) is a Ukrainian tennis player.

He has a career high ATP singles ranking of world No.

On the junior tour, Mashtakov has a career high ranking of No.

Mashtakov has represented Ukraine in the Davis Cup, where he has a win–loss record of 0–1.

This biographical article relating to Ukrainian tennis is a stub.