Mayerlin Yanay Mejía Matos (born 3 April 1994)[1][2] is a Dominican Republic taekwondo athlete.

[3][4] Mejía participated in the Central American and Caribbean Games losing 4-26 in the quarterfinal round to the Cuban Tamara Robles.

[5] She participated in the World Championships and won her contest over Kenian Mary Muriu before losing 0-2 to seeded No.1 Chinese Luo Zongshi in the round of 32.

[6] At the 2023 Pan Am Series of Heredia, Costa Rica, she won the bronze medal when she lost to the Cuban Marlyn Pérez in the semifinal round.

[7] She won the 2023 Central American and Caribbean Games Team Kyorugui silver medal with Nahomy Víctor, Vanessa Corporan and Madelyn Rodríguez.