Isabel Martínez de Perón

María Estela Martínez Cartas de Perón (; born 4 February 1931), better known as Isabel Martínez de Perón or Isabel Perón, is a former President of Argentina. She was the third wife of the former President, Juan Perón. 
During her husband's third term as president from 1973 to 1974, Isabel served as both vice president and First Lady. Following her husband's death in office in 1974, Isabel served as president from 1 July 1974 to 24 March 1976.
She was arrested near her home in Spain on 12 January 2007 over the forced disappearance of an activist in February 1976.