Garibaldi Alves Filho (born 4 February 1947) is a Brazilian politician and former President of the Federal Senate. Filho was born in Natal, Rio Grande do Norte. Prior to his appointment as President of the Senate, he served as a deputy to the Rio Grande do Norte Legislative Assembly for four legislative sessions (1971–1985), mayor of Natal (1986–1989), and governor of Rio Grande do Norte for two successive periods (1995–2002). One of the main focuses of his governorship was water resources: he succeeded in providing an estimated 1 million people with a clean water supply and in reducing infant mortality by almost 60%.