Omar Rayo (Born in 1928 in Roldanillo, Valle, Colombia) is a Colombian caricaturist, painter and sculptor graduated from the Academia Zier de Buenos Aires and plastic artist.He won the 1970 Salón de Artistas Colombianos. Rayo also promoted the foundation of the Museum of Rayo. Rayo works with abstract geometry primarily using black, white and red colors.
The Museum of Rayo was founded on January 20, 1981 by Rayo out of his personal effort, Colombian government agencies and other supporters to establish a site and expose his works of art in his hometown of Roldanillo. The museum was designed by Mexican architect Leopoldo Goout and opened with a collection of 2,000 of Rayo's artwork and some 500 other Latin American artists' works. Contains a library, many modules for expositions, graphic arts workshop and a theater.