| Mário Reis | |
| Fullname: | Mário Domingos da Silva Reis |
| Birth Date: | 1947 6, df=yes |
| Birth Place: | Porto, Portugal |
| Position: | midfielder |
| Years1: | 1967–1977 |
| Clubs1: | Salgueiros |
| Years2: | 1977–1982 |
| Clubs2: | Rio Ave |
| Manageryears1: | 1979–1980 |
| Managerclubs1: | Rio Ave |
| Manageryears2: | 1984–1985 |
| Managerclubs2: | Rio Ave |
| Manageryears3: | 1986 |
| Managerclubs3: | Rio Ave |
| Manageryears4: | 1987 |
| Managerclubs4: | Aves |
| Manageryears5: | 1988 |
| Managerclubs5: | Lusitânia Lourosa |
| Manageryears6: | 1988 |
| Managerclubs6: | Rio Ave |
| Manageryears7: | 1988–1989 |
| Managerclubs7: | Gil Vicente |
| Manageryears8: | 1989–1990 |
| Managerclubs8: | Felgueiras |
| Manageryears9: | 1990–1991 |
| Managerclubs9: | Rio Ave |
| Manageryears10: | 1991–1993 |
| Managerclubs10: | Felgueiras |
| Manageryears11: | 1993–1996 |
| Managerclubs11: | Salgueiros |
| Manageryears12: | 1996 |
| Managerclubs12: | Vitória FC |
| Manageryears13: | Feb–Jun 1997 |
| Managerclubs13: | Boavista |
| Manageryears14: | Aug–Dec 1997 |
| Managerclubs14: | Boavista |
| Manageryears15: | 1998 |
| Managerclubs15: | Felgueiras |
| Manageryears16: | 1998–1999 |
| Managerclubs16: | Leiria |
| Manageryears17: | 2000–2002 |
| Managerclubs17: | Maia |
| Manageryears18: | 2002 |
| Managerclubs18: | Leiria |
| Manageryears19: | 2003 |
| Managerclubs19: | Gil Vicente |
| Manageryears20: | 2004 |
| Managerclubs20: | Marco |
| Manageryears21: | 2004–2005 |
| Managerclubs21: | Maia |
| Manageryears22: | 2005–2006 |
| Managerclubs22: | Santa Clara |
Mário Reis (born 25 June 1947) is a retired Portuguese football midfielder and later manager.