Rex Book Store, Inc. (RBSI), stylized REX Book Store, is an educational book publisher and bookstore chain in the Philippines. It was incorporated in 1950 and established branches in the provincial cities of Angeles City, Bacolod, Baguio, Basco, Cabanatuan, Cagayan de Oro, Calapan, Cebu City, Dasmariñas, Davao City, General Santos, Iloilo City, Legazpi, Naga, Tacloban, Tuguegarao, Urdaneta, and Zamboanga City.
