Guillermo Martínez

Guillermo Martínez is the name of:


 * Guillermo Martínez (baseball) (born 1984), American baseball coach
 * Guillermo Martínez Ayala (born 1995), Mexican football player
 * Guillermo Martínez (javelin thrower) (born 1981), Cuban javelin thrower
 * Guillermo Martínez (sport shooter) (born 1930), Colombian sport shooter
 * Guillermo Martínez (volleyball) (born 1969), Argentine volleyball player
 * Guillermo Martínez (writer) (born 1962), Argentine novelist and short story writer
 * Guillermo Martínez Casañ (born 1955), Spanish politician
 * Guillermo Ortiz Martínez (born 1948), Mexican economist and politician
 * Guillermo Zúñiga Martínez (1942–2015), Mexican politician