Ernesto Jose "Joey" C. Loyzaga (born September 23, 1961) is a Filipino former basketball player.
He played for San Beda College in the National Collegiate Athletic Association (Philippines) before going on to play professional basketball in the Philippine Basketball Association. Loyzaga played for Magnolia, Swift, Shell, Ginebra San Miguel and Alaska.
He is the son of Philippine basketball great Carlos Loyzaga and Vicky Cuerva. He and brother Chito Loyzaga became one of the few siblings to have played in the PBA, eventually playing together with Ginebra San Miguel.