Marta Huerta de Aza (born 31 March 1990) is a Spanish teacher and first division football referee,[2] whose importance in Spain was recognised with the Vicente Acevedo Trophy.

[3] She works as a teacher and because she is not considered an elite athlete in the Canary Islands, she has to juggle her part-time teaching with her commitments as a referee.

[3] She was awarded the Vicente Acevedo Trophy as the best Primera División referee in for the 2017-18 season.

In May 2022, Huerta de Aza refereed the UEFA Women's Champions League quarterfinal match between Bayern Munich and PSG.

[8] She refereed the UEFA Women's Euro 2022 football match between England and Austria on 6 July 2022.