AETR
| 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 |