Gerardo is a Spanish name derived from the Germanic Gariharus, meaning "spear strong," composed of "gar" (spear) and "hard" (strong). Popular in Spain since the Middle Ages, Gerardo has been borne by historical figures like Gerardo de Brocar and Gerardo Sagredo. Today, it remains popular in Spanish-speaking countries as both a given name and surname, with notable bearers including football manager Gerardo Martino.