| Karla Martínez | |
| Fullname: | Karla Lorena Martínez Díaz |
| Birth Date: | 14 October 1998 |
| Birth Place: | Azcapotzalco, Mexico City, Mexico |
| Height: | 1.73 m[1] |
| Position: | Centre-back |
| Currentclub: | Guadalajara |
| Clubnumber: | 22 |
| Years1: | 2017–2019 |
| Clubs1: | Santos Laguna |
| Caps1: | 55 |
| Goals1: | 1 |
| Years2: | 2020–2022 |
| Clubs2: | Toluca |
| Caps2: | 77 |
| Goals2: | 4 |
| Years3: | 2023– |
| Clubs3: | Guadalajara |
| Caps3: | 25 |
| Goals3: | 1 |
| Pcupdate: | 4 June 2023 |
| Nationalyears1: | 2023– |
| Nationalteam1: | Mexico |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
| Ntupdate: | 12 March 2022 |
Karla Lorena Martínez Díaz (born 14 October 1998) is a Mexican professional footballer who plays as a defender for Liga MX Femenil side Guadalajara and the Mexico women's national team.[2]
In 2017, she started her career in Santos Laguna.[3] In 2020, she was transferred to Toluca.[4] Since 2023, she is a player of Guadalajara.[5] Due to her good performances, she was called up to the Mexico national team.[6]
Martínez made her debut for the Mexico women's national team on 5 December 2023 in a 2024 CONCACAF W Gold Cup qualification game against Trinidad and Tobago.[7]