Ignacio Aguirre (1900 – 1990) was a Mexican painter and engraver. Aguirre fought under Venustiano Carranza against Pancho Villa during the revolution from 1915 to 1917. Afterwards he worked as a sorter in several mines, and then he participated in the uprising of 1920, in favor of Álvaro Obregón. He was inspired by the works of his friends Julio Castellanos and Manuel Rodríguez Lozano, and started studying painting with them and Diego Rivera. From 1921 to 1929 he worked in the Secretaria de Comunicaciones y Obras Públicas and in the private secretariat of the president, the Secretaria Privada del Presidente de los Estados Unidos Mexicanos.
In 1928 he joined the Teatro Ulises group, where he worked as scenographer. After 1931 he taught drawing and painting in the Universidad Nacional de México and in the Instituto Nacional de Bellas Artes. He was founding member of the Liga de Escritores y Artistas Revolucionarios (LEAR) in 1934, and in 1937 of the Taller de Gráfica Popular (TGP), where he became director in 1953. He was also member of the Salón de la Plástica Mexicana, and worked together with Pablo O'Higgins and Alfredo Zalce for a longer period.