LTH
LTH may refer to:
- Faculty of Engineering (LTH), Lund University (Swedish: Script error: No such module "Lang".)
- 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