AA-1

AA-1 or AA1 may refer to:

* USS T-1 (SS-52), a United States Navy submarine also known as USS AA-1
* Kaliningrad K-5, an early Soviet air-to-air missile, NATO reporting name AA-1 'Alkali'
* Grumman American AA-1, a light aircraft
* PRR AA1, a Pennsylvania Railroad electric locomotive
* a video game
* A short form of the name for the Aspire One [http://www.reghardware.co.uk/2008/08/18/review_acer_aspire_one/]