Wikipedia
PTH
PTH may refer to:
- Parathyroid hormone
- Parsippany-Troy Hills, New Jersey, a US township
- Phantom time hypothesis, a proposed theory that a calendar change explains the lack of archaeology coinciding with the Early Middle Ages
- Phenolphthalein, an indicator used in chemical reactions to indicate the presence of a base
- Port Huron (Amtrak station), Michigan, United States, station code PTH
- Protest the Hero, a Canadian progressive metal band from Whitby, Ontario
- Perth railway station, Scotland, station code PTH
- GNU Portable Threads, a thread library
- phenylthiohydantoin, a type of amino acid derivative formed by the Edman degradation
- Pin through hole, or plated through-hole: see through-hole technology, mounting scheme used in electronics with component leads inserted through drilled holes
- Polskie Towarzystwo Historyczne, the Polish Historical Society
- Provincial Trunk Highway: see List of Manitoba provincial highways