| Guilherme Farinha | |
| Fullname: | Guilherme Adolfo Almeida Farinha |
| Birth Date: | 11 February 1956 |
| Birth Place: | Lisbon, Portugal |
| Manageryears1: | 1985–1986 |
| Managerclubs1: | Fanhões U19 |
| Manageryears2: | 1988–1989 |
| Managerclubs2: | Oliveira do Hospital |
| Manageryears3: | 1990–1994 |
| Managerclubs3: | Guinea-Bissau |
| Manageryears4: | 1994–1995 |
| Managerclubs4: | Praiense |
| Manageryears5: | 1995–1996 |
| Managerclubs5: | Horta |
| Manageryears6: | 1997–1999 |
| Managerclubs6: | Cerro Corá |
| Manageryears7: | 1999–2001 |
| Managerclubs7: | Alajuelense |
| Manageryears8: | 2001–2002 |
| Managerclubs8: | Casa Pia |
| Manageryears9: | 2002–2003 |
| Managerclubs9: | Académico Viseu |
| Manageryears10: | 2003 |
| Managerclubs10: | Cerro Corá |
| Manageryears11: | 2003–2005 |
| Managerclubs11: | Casa Pia |
| Manageryears12: | 2005 |
| Managerclubs12: | Sportivo Luqueño |
| Manageryears13: | 2005 |
| Managerclubs13: | Herediano |
| Manageryears14: | 2005–2006 |
| Managerclubs14: | Loures |
| Manageryears15: | 2008 |
| Managerclubs15: | Foolad |
| Manageryears16: | 2010–2013 |
| Managerclubs16: | Municipal |
| Manageryears17: | 2013–2015 |
| Managerclubs17: | Carmelita |
| Manageryears18: | 2015 |
| Managerclubs18: | Deportivo Cartagena |
| Manageryears19: | 2015–2016 |
| Managerclubs19: | UCR |
| Manageryears20: | 2016 |
| Managerclubs20: | LD Alajuelense |
| Manageryears21: | 2017 |
| Managerclubs21: | Carmelita |
| Manageryears22: | 2018 |
| Managerclubs22: | Turrialba |
| Manageryears23: | 2019 |
| Managerclubs23: | Carmelita |
Guilherme Adolfo Almeida Farinha (born 11 February 1956) is a Portuguese manager who most recently was in charge of Costa Rican side Carmelita.
In May 2013, Farinha was announced as the new manager of Costa Rican side Liga Deportiva Alajuelense.[1]