| Acronym | Definition |
|---|
| APTR➣Association for Prevention Teaching and Research (Washington, DC) |
| APTR➣Asosiasi Petani Tebu Rakyat (Indonesian: Sugar Cane Farmers Association) |
| APTR➣A Place to Remember |
| APTR➣Asia Pacific Telecom Research (Hong Kong) |
| APTR➣All Purpose Trunk Roads (UK) |
| APTR➣Association Professionnelle des Transporteurs Routiers |
| APTR➣Acoustic Processor Technical Refresh (US DoD) |
| APTR➣Advanced Pressure Tube Reactor |