Martim Aguiar is a Portuguese rugby union coach and a former player.
Aguiar became head coach of the Portugal national team on 13 September 2016 and signed a three-year contract.
During his coaching tenure, Portugal participated in qualification for the 2019 Rugby World Cup, but failed to qualify.
He was replaced shortly after by French coach Patrice Lagisquet.
This biographical article relating to Portuguese rugby union is a stub.