Luis Augusto Sánchez (20 July 1917-1981) a Colombian chess master.
He was six-times Colombian Champion (1938, 1947, 1948, 1954, 1958, and 1962).
In 1951, he won in Caracas (zonal). In 1952, he took 17th in Stockholm (interzonal; Alexander Kotov won). In 1957, he took 3rd in Caracas (zonal; Boris De Greiff won). In 1958, he took 8th in Bogotá (1st Torneo de las Americas; Oscar Panno won). In 1959, he tied for 4-6th with Raúl Sanguineti and Bobby Fischer in Santiago de Chile. The event was won by Borislav Ivkov and Ludek Pachman. In 1969, he tied for 4-5th in Quito (zonal; Eleazar Jiménez and Olavo Yépez won).
Sánchez played for Colombia in four Chess Olympiads.
Awarded the IM title in 1951.