Boris de Greiff Bernal (13 February 1930 – 31 October 2011[1]) was a Colombian chess master and writer, born in Medellín and son of the Colombian poet León de Greiff.
Student in San Bartolome Mayor School, in 1951, he won the Colombian Championship in Bogotá.
In 1963, he took 20th in Havana (2nd Capablanca Memorial; Viktor Korchnoi won).
In 1963, he took 7th in Havana (Torneo Panamericano; Eleazar Jiménez won).
De Greiff played for Colombia in nine Chess Olympiads.