El Temible

José Luis Castillo (born December 14, 1973, Empalme, Sonora) is a Mexican boxer. Nicknamed El Temible, Castillo is generally considered one of the best lightweights of his era. He is the former The Ring and two-time WBC Lightweight champion.

Castillo has defeated the likes of Stevie Johnston, Diego Corrales, Cesar Bazan, Joel Casamayor, Juan Lazcano and Julio Díaz. He is best known for his lightweight bout with Diego Corrales for which he received The Ring & BWAA's Fight of the Year awards.