Ramón Armando Heredia Ruarte (Born February 26, 1951 in Córdoba) is an Argentine former football defender who played for the Argentina national team.
Heredia started his playing career in 1969 with San Lorenzo in Argentina. He was part of the squad that won both league titles in 1972. He joined Atlético Madrid in 1973 and played in the 1974 European Cup Final before ending his career at Paris Saint-Germain.
Heredia, (nicknamed Cacho) played 30 times for Argentina, including appearances at the 1974 FIFA World Cup.
He managed Atlético Madrid, Cádiz CF and San Pedro.