Juan José Maglio (1904 - 1964) was an Argentine professional football player. He played in nine matches for the Argentina national football team from 1925 to 1931. He was also part of Argentina's squad for the 1927 South American Championship.
Maglio played club football for San Lorenzo de Almagro and Club de Gimnasia y Esgrima La Plata. He moved to Italy to continue his football career.
Maglio was the son of famous tango musician, Juan Ignacio Maglio ("Pacho").