| María Martínez | |
| Fullname: | María Auxiliadora Martínez Vecca |
| Birth Date: | 1999 5, df=yes[1] |
| Birth Place: | Itauguá, Paraguay[2] |
| Height: | 1.68 m[3] |
| Position: | Right back, centre back, right midfielder |
| Currentclub: | Universidad de Chile |
| Clubnumber: | 21 |
| Clubs1: | Deportivo Capiatá |
| Years2: | 2021–2022 |
| Clubs2: | Napoli Caçador |
| Caps2: | 8 |
| Goals2: | 0 |
| Years3: | 2022– |
| Clubs3: | Universidad de Chile |
| Caps3: | 0 |
| Goals3: | 0 |
| Nationalyears1: | 2016 |
| Nationalteam1: | Paraguay U17[4] |
| Nationalcaps1: | 3 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2018 |
| Nationalteam2: | Paraguay U20 |
| Nationalcaps2: | 3 |
| Nationalgoals2: | 0 |
| Nationalyears3: | 2019– |
| Nationalteam3: | Paraguay |
| Nationalcaps3: | 3 |
| Nationalgoals3: | 0 |
| Pcupdate: | 24 June 2021 |
| Ntupdate: | 3 August 2019 |
María Auxiliadora “Yaki” Martínez Vecca (born 24 May 1999), also known as María Vecca and Yaki Vecca,[3] [2] is a Paraguayan professional footballer who plays as a center back for Chilean club Universidad de Chile[5] and the Paraguay women's national team. She has also played for the Paraguay women's U17 and U20 teams.