Gonzalo Froilaz de Traba was a medieval Galician nobleman and Benedictine clergyman who served as the Bishop of Mondoñedo beginning in 1071. Born around 1040, he belonged to the influential House of Traba and is recognized as a saint. His episcopate was characterized by continuous struggles to maintain the territorial integrity and economic stability of his diocese, which faced significant pressure from neighboring religious authorities and powerful monasteries.