Mathurin Romegas, rival Grandmaster of the Knights Hospitaller (b. c.1525)

Mathurin d’Aux de Lescout, called Mathurin Romegas (1525 or 1528 – November 1581 in Rome), was a scion of the aristocratic Gascony family of d'Aux and a member of the Knights of Saint John. He was one of the Order's greatest naval commanders and a Grand Master of Malta.