USJ

USJ can mean:


 * Universal Studios Japan
 * UEP Subang Jaya
 * Université Saint-Joseph, a Lebanese private university founded in 1875
 * University of Saint Joseph, a university in Macau
 * United States of Japan, a fictional revolutionary Japan from the anime series Code Geass: Lelouch of the Rebellion
 * Unforeseen Simulation Joint, a fictional arena used to train heroes for rescuing people in natural disasters "My Hero Academia"
 * Urban Studies (journal)