| Leopoldo Vallejos | |
| Fullname: | Leopoldo Manuel Vallejos Bravo |
| Birth Date: | 16 July 1944 |
| Birth Place: | Chile |
| Height: | 177 cm |
| Position: | Goalkeeper |
| Years1: | 1964—1970 |
| Clubs1: | Universidad Católica |
| Years2: | 1962—1975 |
| Clubs2: | Unión Española |
| Years3: | 1976—1977 |
| Clubs3: | Everton |
| Years4: | 1978 |
| Clubs4: | O'Higgins |
| Years5: | 1979—1981 |
| Clubs5: | Everton |
| Years6: | 1982 |
| Clubs6: | Audax Italiano |
| Years7: | 1983—1985 |
| Clubs7: | Deportes Arica |
| Years8: | 1986 |
| Clubs8: | Universidad Católica |
| Nationalyears1: | 1968—1977 |
| Nationalteam1: | Chile |
| Nationalcaps1: | 19 |
Leopoldo Manuel Vallejos Bravo (born July 16, 1944 in Santiago, Chile) is a former Chilean footballer. He played for 6 clubs in Chile and appeared for the Chile national football team at the 1974 FIFA World Cup, held in Germany.