The
Military Order of Aviz (, ), previously to 1910
Royal Military Order of Aviz , previously to 1789
Order of Saint Benedict of Aviz , previously
Knights of St. Benedict of Aviz or
Friars of Santa Maria of Évora, is a
Portuguese Order of Chivalry. It gave its name and coat of arms to the
Aviz Dynasty that ruled Portugal between 1385 and 1580.