Ava of Cerdanya was countess of Cerdanya and Besalú. The daughter of Raymond I, Count of Pallars and Ribagorza, she married Miró II of Cerdanya and Besalú, with whom she had four sons, all counts, and a daughter:
Upon the death of her husband (927), she ruled the county as a regent for their children, who were still minors, until 941.
Her actions left their mark in many donations made to various ecclesiastical institutions: Saint-Michel-de-Cuxa (941, 953, 962), Ripoll, Elne (962), and Camprodon (944).