PTT

PTT may refer to:

Chemistry and medicine

• Partial thromboplastin time, a performance indicator in medicine for coagulation status
• Photothermal Therapy, a medical treatment
• 2β-propanoyl-3β-(4-tolyl)-tropane, a cocaine analogue
• Polytrimethylene terephthalate, polyester
• Pulse Transit Time, a measure of arterial blood pressure

Communication and technology

• Postal Telephone and Telegraph, a government agency in many countries
  • Posterijen, Telegrafie en Telefonie (Netherlands) (formerly a government agency)
  • Postes, télégraphes et téléphones (France)
  • Postes, télégraphes, téléphones (Switzerland)
  • Posta Telgraf Teşkilatı (Turkey)
• PTT Bulletin Board System, the largest bulletin board system in Taiwan
• Pneumatic tube, Pneumatic tube transport
• Push to talk, or "Press-to-Transmit", a method of conversing on half-duplex communication lines
• Pass-the-ticket
• Platform Trust Technology, a firmware-based Trusted Platform Module (TPM) which is part of Intel Management Engine

Organizations

• PTT Public Company Limited, a Thai oil and gas company
• Pashtun Tahafuz Movement (PTM), also known as the Pashtun Tahafuz Tehrik (PTT), a human rights movement in Pakistan for the Pashtun people
• Pennsylvania Tunnel and Terminal Railroad, the owner of the tunnels to New York Penn Station
• Police Tactical Team, now Singapore Police Force's Special Tactics and Rescue unit
• Prince's Trust Team, a development programme for teenagers by partners of the Prince's Trust throughout the UK

Sport

• Port Talbot Town F.C., a Welsh Premier League football association club

Other

• Petronas Twin Towers in Kuala Lumpur, Malaysia
• Photothermal time, related to plant growth
• Pizza Time Theatre, former secondary name for Chuck E. Cheese's
• Power transition theory, an international relations theory.
• Pull Tiger Tail, a British indie band
• "PTT (Paint the Town)", a 2021 single by Loona