AUSA
| Acronym | Definition |
|---|---|
| AUSA | Association of the United States Army |
| AUSA | Association of the US Army (Arlington, VA) |
| AUSA | Assistant United States Attorney |
| AUSA | Auckland University Students Association |
| AUSA | Anime USA (anime, gaming and Japanese pop culture convention) |
| AUSA | Aberdeen University Students' Association (UK) |
| AUSA | Allied United States of America (Warcraft III gaming clan) |