LTH

LTH may refer to:


 * Faculty of Engineering (LTH), Lund University (Swedish: Lunds Tekniska Högskola)
 * Licentiate of Theology (LTh), a theological degree
 * Link Theory Holdings, a Japanese fashion company
 * Prolactin, or luteotropic hormone, a human protein
 * BD-R LTH is a write-once Blu-ray disc format