| Guillermo Páez | |
| Fullname: | Guillermo Alejandro Páez Cepeda |
| Birth Date: | 1945 4, df=y |
| Birth Place: | Santiago, Chile |
| Position: | Defensive midfielder |
| Youthclubs1: | Juventud Universitaria |
| Years1: | 1960–1964 |
| Clubs1: | Universidad Católica |
| Years2: | 1965 |
| Clubs2: | Coquimbo Unido |
| Caps2: | 9 |
| Goals2: | 1 |
| Years3: | 1966 |
| Clubs3: | San Antonio Unido |
| Years4: | 1967–1971 |
| Clubs4: | Lota Schwager |
| Years5: | 1972–1975 |
| Clubs5: | Colo-Colo |
| Caps5: | 98 |
| Goals5: | 3 |
| Years6: | 1976 |
| Clubs6: | Aviación |
| Caps6: | 18 |
| Goals6: | 0 |
| Years7: | 1977–1979 |
| Clubs7: | Santiago Morning |
| Caps7: | 81 |
| Goals7: | 1 |
| Years8: | 1980 |
| Clubs8: | Santiago Wanderers |
| Caps8: | 22 |
| Goals8: | 0 |
| Years9: | 1981 |
| Clubs9: | Santiago Morning |
| Years10: | 1981 |
| Years11: | 1982 |
| Clubs11: | Santiago Morning |
| Caps11: | 0 |
| Goals11: | 0 |
| Nationalyears1: | 1972–1974 |
| Nationalteam1: | Chile |
| Nationalcaps1: | 14 |
| Nationalgoals1: | 0 |
| Manageryears1: | 1984 |
| Managerclubs1: | Santiago Morning |
| Manageryears2: | 1985 |
| Managerclubs2: | Deportes Laja |
| Manageryears3: | 1986–1987 |
| Managerclubs3: | Curicó Unido |
| Manageryears4: | 1988 |
| Managerclubs4: | Lota Schwager |
| Manageryears5: | 1989–1990 |
| Managerclubs5: | Magallanes |
| Manageryears6: | 1991 |
| Managerclubs6: | Soinca Bata |
| Manageryears7: | 1992 |
| Managerclubs7: | Deportes Melipilla |
| Manageryears8: | 1992–1994 |
| Managerclubs8: | Deportes Temuco |
| Manageryears9: | 1995 |
| Managerclubs9: | Rangers |
| Manageryears10: | 1996 |
| Managerclubs10: | Deportes Melipilla |
| Manageryears11: | 1996–1997 |
| Managerclubs11: | Unión Española |
| Manageryears12: | 1997 |
| Managerclubs12: | Santiago Morning |
| Manageryears13: | 1998 |
| Managerclubs13: | Deportes Melipilla |
| Manageryears14: | 1999 |
| Managerclubs14: | Santiago Wanderers |
| Manageryears15: | 2000–2001 |
| Managerclubs15: | O'Higgins |
| Manageryears16: | 2001–2002 |
| Managerclubs16: | Deportes Melipilla |
| Manageryears17: | 2004 |
| Managerclubs17: | Deportes Melipilla |
| Manageryears18: | 2005 |
| Managerclubs18: | Deportes Melipilla |
| Manageryears19: | 2006 |
| Managerclubs19: | Magallanes |
| Manageryears20: | 2006 |
| Manageryears21: | 2006–2007 |
| Managerclubs21: | Santiago Morning |
| Manageryears22: | 2011 |
| Managerclubs22: | Deportes Melipilla |
Guillermo Alejandro Páez Cepeda (born 18 April 1945) is a former Chilean footballer who played for 6 clubs of Chile and in the Chile national football team in the FIFA World Cup Germany 1974.
He is the older brother of the former footballer and manager Juan Páez.[1]
He is the father-in-law of the also former Chile international footballer Mauricio Pozo.[2]
He is also known by his nickname Loco Páez (Crazy).[3]