| Alessandro Pinheiro Martins | |
| Birth Date: | 1983 |
| Birth Place: | São Luís, Maranhão, Brazil |
| Death Date: | December 6, 2005 |
| Position: | Defensive midfielder |
| Years1: | 2004–2005 |
| Clubs1: | Ferroviário |
| Clubs2: | Santos |
| Years3: | URT |
| Years4: | Mamoré |
| Years5: | Campinense |
| Years6: | Boa Viagem |
Alessandro Pinheiro Martins (1983 – December 6, 2005), known as just Alessandro, was a Brazilian football (soccer) player. He was born in São Luís, Maranhão.
He played as a defensive midfielder for Ferroviário, of Fortaleza, Ceará since 2004. He has also played for Santos, alongside Robinho, URT, Mamoré, Campinense, and Boa Viagem.
He died on December 6, 2005, of a heart attack, after a physical indisposition followed by a faint, during a training at Vila Olímpica Elzir Cabral. He had suffered from similar health problems during other trainings sessions, a week before his death.
He played his last match in November, against Ferroviário's rival Ceará at Estádio Presidente Vargas.
He left a wife and two children, and was buried in São Luís.