| Guillermo Díaz | |
| Fullname: | Guillermo Díaz Carmona |
| Birth Date: | 25 June 1926 |
| Birth Place: | Santiago, Chile |
| Nationalteam1: | Chile |
| Nationalyears1: | 1952–1955 |
| Nationalcaps1: | 12 |
| Nationalgoals1: | 4 |
Guillermo Díaz Carmona (25 June 1926 – 24 July 2021) was a Chilean footballer. He played in twelve matches for the Chile national football team from 1952 to 1955.[1] He was also part of Chile's squad for the 1953 South American Championship.[2] Díaz died on 24 July 2021, at the age of 95.[3]