talesa, talèse, talèze, or ataresa (died after 1136) was an aragonese noblewoman and relative of the royal jiménez dynasty. she was the daughter of sancho ramírez, count of ribagorza, natural brother of king sancho ramírez of aragon and navarre. she married gaston iv of béarn and acted as regent of the viscounty of béarn during his absences on crusade in 1096-1101, and after his death for their son in 1131-1134.