| Acronym | Definition |
|---|
| AETR➣European Agreement Concerning the Work of Crews of Vehicles Engaged in International Road Transport |
| AETR➣Average Effective Tax Rate |
| AETR➣Accord Européen sur les Transports Routiers (French: European Agreement on Road Transport; EU) |
| AETR➣Advanced Epithermal Thorium Reactor |
| AETR➣Advanced Engineering Test Reactor |
| AETR➣Americans for Educational Testing Reform |