| Abbreviation | Definition |
|---|---|
| AE | Anniversary Edition |
| AEAE | Angry Elf Ale Empire |
| AEG | Automatic Electric Gun |
| AEGIS | Alliance of Eclectic Gamers and Interactive Storytellers |
| AF | Action Figure |
| AF | All Fake |
| AF | Ancestral File |
| AFA | Anime Freaks of America |
| AFFA | Angels Forever, Forever Angels |
| AFFA | Anime Fan Fic Archive |
| AFFOL | Adult Female Fan of LEGO |
| AFL | Anime Fantasy League |
| AFM | American Federation of Motorcyclists |
| AFO | Anime Festival Orlando |
| AFOL | Adult Fan Of LEGO |
| AFTA | America's Favorite Teenage Alien |
| AG | About Good |
| AG | Almost Good |
| AGWA | American Gold Wing Association |
| AHANE | Arabian Horse Association of New England |