PT
- pt – (s) Portuguese language (ISO 639-1 code)
- pT – (s) picotesla
- Pt – (s) Platinum
- PT – (s) petatesla – (i) Physical Training (in the Army) – (s) Portugal (ISO 3166 digram)
- PTA – (i) Parent-Teacher Association
- PTAL – (i) Public Transport Accessibility Level
- PTAN – (i) Precision Terrain Aided Navigation
- PTFE – (i) PolyTetraFluoroEthylene
- PTI – (i) Pardon the Interruption
- PTL – (p) Patrol – (i) Primary Target Line
- PTO – (i) Patent and Trademark Office – Please Turn Over
- PTSD – (i) Post-Traumatic Stress Disorder
- PTUI – (a/i) Plain-Text User Interface ("pa-too-ey") (cf CLI)
Read more about this topic: List Of Acronyms And Initialisms: P