| Osvaldo Sáez | |
| Fullname: | Osvaldo Sáez Álvarez |
| Birth Date: | 29 December 1920 |
| Birth Place: | Chile |
| Position: | Midfielder |
| Clubs1: | Colo-Colo |
| Nationalyears1: | 1946-1954 |
| Nationalteam1: | Chile |
| Nationalcaps1: | 22 |
| Nationalgoals1: | 4 |
Osvaldo Tomás Sáez Álvarez (29 December 1920 – 9 July 1959)[1] was a Chilean football midfielder who played for Chile in the 1950 FIFA World Cup.[2] He also played for Colo-Colo.