| Alfonso Portugal | |
| Fullname: | Alfonso Portugal Díaz |
| Birth Date: | 21 January 1934 |
| Birth Place: | Mexico City, Mexico |
| Death Place: | Atlixco, Puebla, Mexico |
| Position: | Defender |
| Years1: | 1955–1958 |
| Years2: | 1958–1959 |
| Clubs2: | Poza Rica |
| Years3: | 1959–1966 |
| Years4: | 1966–1967 |
| Years5: | 1967 |
| Caps5: | 1 |
| Goals5: | 0 |
| Nationalyears1: | 1956–1961 |
| Nationalteam1: | Mexico |
| Nationalcaps1: | 18 |
| Nationalgoals1: | 0 |
| Manageryears1: | 1970–1971 |
| Manageryears2: | 1976–1977 |
| Managerclubs2: | Cruz Azul |
| Manageryears3: | 1979–1980 |
| Managerclubs3: | Atlético Español |
| Manageryears4: | 1980 |
| Managerclubs4: | Atlas |
| Manageryears5: | 1982–1983 |
| Managerclubs5: | Tigres UANL |
| Manageryears6: | 1986–1987 |
| Managerclubs6: | Ángeles |
Alfonso Portugal Díaz (21 January 1934 – 12 June 2016)[1] was a Mexican football player, who played as defender for Mexico in the 1958 FIFA World Cup.[2]
Portugal captained Club América to the 1965–66 Mexican Primera División title. He also played for Club Necaxa.[3] In 1967, he appeared in one match for the Chicago Spurs of the NPSL