JSU

JSU may refer to:


 * All-Japan Seamen's Union, a trade union in Japan
 * The IATA airport code for Maniitsoq Airport in Maniitsoq, Greenland
 * Jackson State University, a public university in Jackson, Mississippi
 * Jacksonville State University, a public university in Jacksonville, Alabama
 * Jewish Student Union
 * Jiangsu University, a public university in Zhenjiang, Jiangsu
 * Juventudes Socialistas Unificadas, an organisation during the Spanish Civil War
 * Jsu Garcia, an American actor