PTH

PTH may refer to:

Biology and Medicine

• Parathyroid hormone
• phenylthiohydantoin, an amino acid derivative formed by the Edman degradation

Computing

• GNU Portable Threads in computing
• Pass the hash attack in computing

Languages

• Pataxó language, by ISO 639 code
• Standard Chinese, also known as putonghua and abbreviated PTH

Places

• Port Huron (Amtrak station), Michigan, US, station code
• Perth railway station, Scotland, station code
• Provincial Trunk Highway in list of Manitoba provincial highways
• Port Heiden Airport, by IATA code

Other

• Plated through-hole in PCB through-hole technology
• Polskie Towarzystwo Historyczne, the Polish Historical Society