Guillermo Pérez Roldán (born 20 October 1969) is a former professional tennis player from Argentina.
Pérez Roldán was known particularly as a strong clay court player.
He turned professional in 1986.
Between 1987 and 1993, he won nine top-level singles titles.
His best Grand Slam performance came at the 1988 French Open, where he reached the quarter-finals, beating Alberto Mancini, Tore Meinecke, Patrik Kühnen and Stefan Edberg on the way, before being knocked out by Andre Agassi.