Isabel Josefa Viudes de Damonte (born 11 May 1944) is a former Argentine Senator for Corrientes Province. A former Peronist, she was a member of the New Party Corrientes (PANU), but was expelled in 2009 due to her support to the Argentine National Government in the farm tax hike issue. Viudes qualified as a teacher then graduated as a lawyer from the National University of the Littoral. She was a judge in provincial courts.