Gerardo Horacio López von Linden (born 3 March 1956), known professionally as Cachorro López, is an Argentine record producer, musician and songwriter. Born in Buenos Aires, Argentina, he enrolled in various musical ensembles, including Zas and Los Abuelos de la Nada. López has worked with several artists producing their albums, including Caifanes, Stephanie Salas, Andrés Calamaro, Paulina Rubio, Diego Torres and Miranda!. López also was the executive producer of the tribute album for the English band Queen in 1997. His work has been recognized with two Latin Grammy Awards for Producer of the Year in 2006 and 2009, out of four consecutive nominations, and a Grammy Award for producing Limón y Sal by Julieta Venegas.