PT
- .pt
- Capital Cargo International Airlines
- Chrysler PT Cruiser
- Fire Rescue Victoria
- Labor Party (Mexico)
- P. T. (disambiguation)
- P.T. (Silent Hills)
- PT boat
- PT-91
- Pacific Time Zone
- Palestinian territories
- Pandit
- Panorama Tools
- Part-time job
- Peat
- Penetration testing
- Percentage point
- Percutaneous
- Permian-Triassic extinction event
- Perpetual traveler
- Perseroan Terbatas
- Personal trainer
- Perspectives on Terrorism
- Pertussis toxin
- Petey (disambiguation)
- Petunidin
- Physical education
- Physical therapy
- Physical training instructor
- Pint
- Pistoia
- Piteå-Tidningen
- Plain text
- Platinum
- Point (typography)
- Polythiophene
- Porcupine Tree
- Port Townsend, Washington
- Portugal
- Portugal Telecom
- Portuguese language
- Post-tensioned concrete
- Potential transformer
- Pressure treated wood
- Pro Tour (disambiguation)
- Pro tempore
- Processo transexualizador
- Promontory
- Prothrombin time
- Public transport
- Pump thrombosis
- Putnam Transit
- Pyramid Texts
- Toluidine
- Total pressure (fluids)
- West Air Sweden
- Workers' Party (Brazil)
- Workers' Party (France)
- Workers' Party (Guinea-Bissau)