| María Fernanda Contreras Muñoz | |
| Fullname: | María Fernanda Contreras Muñoz |
| Birth Date: | 8 November 1998 |
| Birth Place: | Guatemala City, Guatemala |
| Height: | 1.58m |
| Position: | Midfielder |
| Youthyears1: | 2012–2014 |
| Youthclubs1: | Asociación Pares Unifut[1] |
| Youthyears2: | 2014–2017 |
| Youthclubs2: | Montverde Academy |
| Collegeyears1: | 2017–2021 |
| College1: | The Citadel Bulldogs |
| Collegecaps1: | 90 |
| Collegegoals1: | 10 |
| Years1: | 2022 |
| Clubs1: | Haukar |
| Caps1: | 15 |
| Goals1: | 2[2] |
| Years2: | 2023 |
| Clubs2: | Stomilanki Olsztyn |
| Caps2: | 9 |
| Goals2: | 0 |
| Nationalyears1: | 2022– |
| Nationalteam1: | Guatemala |
| Nationalcaps1: | 3 |
| Nationalgoals1: | 2 |
| Pcupdate: | 14 October 2023 |
| Ntupdate: | 8 April 2022 |
María Fernanda Contreras Muñoz (born 08 November 1998), commonly known as Mafer Contreras, is a Guatemalan footballer who plays as a midfielder.
Contreras was born in Guatemala City to Erick Contreras and Patricia Muñoz.[3] She later moved to the United States to attend and play soccer at Montverde Academy. In 2017, she enrolled at The Citadel and later captained The Citadel Bulldogs women's soccer team.[4]
In March 2022, Contreras signed with Icelandic team Haukar.[5]