JTS

JTS may refer to:
 * Alfa Romeo JTS engine, an automobile engine
 * Java Topology Suite (JTS Topology Suite), a software library
 * Janesville Transit System, Wisconsin, US
 * Jakarta Taipei School, Indonesia
 * Java transaction service, a software library
 * Jewish Theological Seminary of America, New York City
 * Jimmy Two-Shoes, a Canadian animated series
 * Journal of Transatlantic Studies
 * Journal of Traumatic Stress, US
 * JT Storage, a former US hard drive manufacturer
 * Jabhat Tahrir Souriya (Syrian Liberation Front), an Islamist group in the Syrian Civil War