António Manuel Tavares "Tony" Fonseca (born 30 January 1965) is a Portuguese retired footballer who played as a left back, and is a technical director for the Canadian Soccer Association.
During 11 seasons, he amassed Primeira Liga totals of 199 games and two goals, representing in the competition Benfica, Vitória de Guimarães and Estrela da Amadora.
He finished his career in Canada, where he started working as a manager in 1999.