| María Contreras | |
| Fullname: | María Fernanda Contreras Muñoz |
| Birth Date: | 11 August 1998 |
| Birth Place: | Guatemala City, Guatemala |
| Height: | 1.58m |
| Position: | Midfielder |
| Currentclub: | KKP Stomilanki Olsztyn |
| Clubnumber: | 21 |
| Youthyears1: | 20??–2014 |
| Youthclubs1: | Pares[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: | KKP Stomilanki Olsztyn |
| Caps2: | 8 |
| Goals2: | 0 |
| Nationalyears1: | 2022– |
| Nationalteam1: | Guatemala |
| Nationalcaps1: | 3 |
| Nationalgoals1: | 2 |
| Pcupdate: | 14 October 2023 |
| Ntupdate: | 8 April 2022 |
María Fernanda Contreras Muñoz (born 11 August 1998), commonly known as Mafer Contreras, is a Guatemalan footballer who plays as a midfielder for Polish Ekstraliga club KKP Stomilanki Olsztyn and the Guatemala women's national team.
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]