| Acronym | Definition |
|---|
| AATT➣After All This Time |
| AATT➣Advanced Air Transportation Technologies (NASA air traffic control project) |
| AATT➣American Association of Teachers of Turkic Languages (est. 1985) |
| AATT➣Application of Advanced Technologies in Transportation (international conference) |
| AATT➣Advanced Aviation Transportation Technology |
| AATT➣Advanced Air Traffic Technologies (US FAA) |
| AATT➣Absolute Arrival Time Technique |