Ábalos is a municipality in the autonomous region of La Rioja, Spain. It lies in the comarca of Rioja Alta, on the left bank of the river Ebro, near the town of Haro.
The municipality is bounded on the north by the Toloño mountains, on the south by San Asensio and Baños de Ebro, on the east by Samaniego and Villabuena de Álava, and to the west by San Vicente de la Sonsierra.