PTH

PTH may refer to:

  • Parathyroid hormone
  • Pin through hole, mounting scheme used in electronics with component leads inserted through drilled holes
  • Plated through hole, used in electronics to connect layers with plated through hole vias
  • Polskie Towarzystwo Historyczne
  • Protest the Hero, a Canadian progressive metal band from Whitby, Ontario
  • GNU Portable Threads, a thread library
  • The station code for Perth railway station, Scotland
  • Port Huron (Amtrak station), Michigan, United States; Amtrak station code PTH
  • Phenolphthalein, an indicator used in chemical reactions to indicate the presence of a base
  • Parsippany-Troy Hills, a township in New Jersey, United States
  • phenylthiohydantoin - a type of amino acid derivative formed by the Edman degradation
  • Phantom time hypothesis, a proposed theory that a calendar change explains the lack of archaeology coinciding with the Early Middle Ages