Juan Armando Quintanilla Loredo (born April 19, 1968 in San Luis PotosÃ, San Luis PotosÃ) is a retired long-distance runner from Mexico, who won two gold medals at the 1995 Pan American Games in Mar del Plata, Argentina: in the men's 5.000 and 10.000 metres.
He competed in three consecutive Summer Olympics, starting in 1992.