Alessandro Pinheiro Martins (1983 – December 6, 2005), nicknamed "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.