| Abbreviation | Definition |
|---|---|
| ARF | Association Of Rabid Fangirls |
| ARF | Association Of Rapid Fangirls |
| ARIDAY | Absent Robber In Dual Ace Yukky |
| ARMPIT | Acquisition of Responsible Morals and Permission for Internet Transmission |
| ARMY | A Real Mean Yankee |
| ARMY | A Really Massive Yacht |
| ARMY | Adorable Representative Mc for Youth |
| ARMY | Ain't Ready for the Marines Yet |
| ARMY | Ain't Really Marines Yet |
| ARMY | Aren't Really Men Yet |
| ARNOLD | Always Read Novels Of Love Daily |
| ARPC | Another Roadside Performance Company |
| ARSE | American Republic Of Secondary Education |
| ARSE | Another Really Silly Enterprise |
| ARTR | Arthur Ready To Race |
| AS | After Sperry |
| ASA | American Superhero Association |
| ASA | Americas Sorriest Airline |
| ASA | Anarchy Strikes America |
| ASA | Angry Stache Alliance |