Gulnar Marfat qizi Mammadova (Azerbaijani: Gülnar M?rf?t qizi M?mm?dova; born May 11, 1991 in Ali-Bayramly) is an Azerbaijani chess player who holds the titles of International master and Woman Grandmaster.
She has twice (2009, 2010) become the champion of Azerbaijan.
In the 2016 Women's Chess Olympiad, Mammadova won the individual gold medal for the best performance on board 3.