| Horacio Díaz Luco | |
| Fullname: | Manuel Horacio Díaz Luco |
| Birth Date: | 27 July 1943 |
| Birth Place: | Talcahuano, Chile |
| Height: | 1.74 m |
| Position: | Centre-back |
| Years1: | 1970 |
| Caps1: | 2 |
| Goals1: | 0 |
| Years2: | 1971–1974 |
| Clubs2: | Herediano |
| Years3: | 1975–1977 |
| Clubs3: | Águila |
| Years4: | 1977–1978 |
| Clubs4: | Limón Sprite |
| Years5: | 1979 |
| Clubs5: | Cartaginés |
| Years6: | 1980 |
| Years7: | 1981 |
| Clubs7: | Municipal Limón |
| Manageryears1: | 1977 |
| Managerclubs1: | Limón Sprite |
Manuel Horacio Díaz Luco (born 27 July 1943), known as Horacio Díaz Luco, is a Chilean former professional footballer who played as a centre-back for clubs in Chile, Costa Rica and El Salvador.
Born in Talcahuano, Chile,[1] Díaz played for Santiago Wanderers in 1970.[2]
Then he moved to Costa Rica, where he played for Herediano,[3] Limón Sprite,[4] Cartaginés,[5] Municipal Turrialba and Municipal Limón, with whom he was the runner-up in the 1981 season.[6] At the same time he was player of Limón Sprite, he performed as coach.[7]
He also had a stint in El Salvador with Águila from 1975 to 1977,[8] with whom he won the league title in 1975–76.[9]
Águila