Joaquín Bernardo Guillén González (born 12 January 1968) is a retired Costa Rican football player.
[1] In summer 1998 he joined compatriots Rónald Gómez and Richard Smith at Guatemalan side Municipal.
[2] He had a few seasons back at home with Santos de Guápiles, moved to Cartaginés in January 2001[3] and joined Carmelita in summer 2001.
[4] Guillén made his debut for Costa Rica in a November 1991 friendly match against the United States and earned a total of 20 caps, scoring no goals.
[8] His final international was a February 1998 CONCACAF Gold Cup match against the United States.