The Battle of Alsasua, also known as the Battle of Altsasu or la Acción de la Venta de Alsasua (in Spanish "action of the inn at Alsasua"), occurred on April 22, 1834 in Navarre, Spain, during the First Carlist War. Carlist general Tomás de Zumalacárregui attacked a convoy led by the Liberal general Vicente Genaro de Quesada traveling from Vitoria-Gasteiz to Pamplona at the town of Alsasua.