| Guilherme Santos | |
| Fullname: | Guilherme Oliveira Santos |
| Birth Date: | 5 February 1988 |
| Birth Place: | Jequié, Brazil |
| Height: | 1.73 m |
| Position: | Left back |
| Currentclub: | Tombense |
| Youthyears1: | 2005 |
| Youthyears2: | 2005 |
| Youthclubs2: | Artsul |
| Youthyears3: | 2005–2007 |
| Youthclubs3: | Vasco da Gama |
| Years1: | 2007 |
| Clubs1: | Vasco da Gama |
| Caps1: | 24 |
| Goals1: | 0 |
| Years2: | 2008–2011 |
| Clubs2: | Almería |
| Caps2: | 24 |
| Goals2: | 1 |
| Years3: | 2010 |
| Clubs3: | → Valladolid (loan) |
| Caps3: | 15 |
| Goals3: | 0 |
| Years4: | 2011–2013 |
| Clubs4: | Atlético Mineiro |
| Caps4: | 14 |
| Goals4: | 0 |
| Years5: | 2012 |
| Clubs5: | → Figueirense (loan) |
| Caps5: | 31 |
| Goals5: | 3 |
| Years6: | 2013 |
| Clubs6: | → Santos (loan) |
| Caps6: | 10 |
| Goals6: | 0 |
| Years7: | 2013 |
| Clubs7: | → Atlético Goianiense (loan) |
| Caps7: | 11 |
| Goals7: | 0 |
| Years8: | 2014 |
| Clubs8: | Bahia |
| Caps8: | 32 |
| Goals8: | 2 |
| Years9: | 2015 |
| Clubs9: | Fluminense |
| Caps9: | 1 |
| Goals9: | 0 |
| Years10: | 2015 |
| Clubs10: | Avaí |
| Caps10: | 0 |
| Goals10: | 0 |
| Years11: | 2015 |
| Clubs11: | Criciúma |
| Caps11: | 17 |
| Goals11: | 0 |
| Years12: | 2016 |
| Clubs12: | Sampaio Corrêa |
| Caps12: | 17 |
| Goals12: | 0 |
| Years13: | 2016–2017 |
| Clubs13: | Anorthosis Famagusta |
| Caps13: | 29 |
| Goals13: | 0 |
| Years14: | 2017 |
| Clubs14: | Fortaleza |
| Caps14: | 2 |
| Goals14: | 0 |
| Years15: | 2017 |
| Clubs15: | Paysandu |
| Caps15: | 12 |
| Goals15: | 0 |
| Years16: | 2018– |
| Clubs16: | Tombense |
| Caps16: | 26 |
| Goals16: | 1 |
| Years17: | 2018 |
| Clubs17: | → Júbilo Iwata (loan) |
| Caps17: | 12 |
| Goals17: | 0 |
| Years18: | 2018 |
| Clubs18: | → Paysandu (loan) |
| Caps18: | 15 |
| Goals18: | 0 |
| Years19: | 2019 |
| Clubs19: | → Paraná (loan) |
| Caps19: | 43 |
| Goals19: | 2 |
| Years20: | 2020–2021 |
| Clubs20: | → Botafogo (loan) |
| Caps20: | 32 |
| Goals20: | 0 |
| Years21: | 2021 |
| Clubs21: | → Juventude (loan) |
| Caps21: | 2 |
| Goals21: | 0 |
| Years22: | 2022 |
| Clubs22: | → Ponte Preta (loan) |
| Caps22: | 5 |
| Goals22: | 0 |
| Pcupdate: | 30 October 2023 |
Guilherme Oliveira Santos (born 5 February 1988) is a Brazilian footballer who plays for Tombense as a left back.[1]