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.
In 1954, at third board in 11th Chess Olympiad in Amsterdam (+5 –4 =9);
In 1956, at second board in 12th Chess Olympiad in Moscow (+7 –2 =10);
In 1958, at second board in 13th Chess Olympiad in Munich (+4 –5 =10);
In 1966, at first reserve board in 17th Chess Olympiad in Havana (+7 –3 =5).Awarded the IM title in 1951.