Guillermo Hermosillo

Guillermo Rodrigo Hermosillo Cienfuegos (born June 6, 1967 –, ) is a Mexican drug baron establishing the Hermosillo Cartel beside Heraclio Trujillo whom after Hermosillo's indictment continued to lead it as the Trujillo Cartel. His current whereabouts are unknown.

Hermosillo was released from incarceration in 2013.