Gergely Madarász (born 1 October 1994) is a Hungarian tennis player.
Madarász has a career high ATP singles ranking of 618 achieved on 23 June 2014.
He also has a career high ATP doubles ranking of 881, achieved on 7 October 2019.
Madarász has won 1 ITF singles and 1 doubles title.Madarász has represented Hungary at Davis Cup, where he has a win-loss record of 3–0.He was studied at Purdue University, between 2014-2018.
He competed at the 2017 Summer Universiade.
In singles Madarász lost against Indian Paras Dahiya, in doubles with Barnabás Koncz defeated on the second round by the Japanese Shintaro Imai and Kaito Uesugi.