PTJ
| Acronym | Definition |
|---|---|
| PTJ | Policía Técnica Judicial (Spanish: technical judicial police) |
| PTJ | Part-Time Job |
| PTJ | Pakistan Textile Journal (est. 1951) |
| PTJ | Passenger Train Journal (White River Productions; Kansas City, MO) |
| PTJ | Pass That Joint (Internet gaming clan) |
| PTJ | Pillow Tripod Joint (automotive engineering) |