| Abbreviation | Definition |
|---|---|
| AA | All Age |
| AA | All Ages |
| ABEF | Active Brightness Enhancement Film |
| AFI | American Film Institute |
| AMC | American Movie Classics |
| AO | Adults Only |
| AREZ | Advanced Rheometric Expansion System |
| ATM | A Terrible Movie |
| AVN | Adult Video Netherlands |
| AVS | Adult Verification Service |
| AWP | American World Pictures |
| BCFCO | British Columbia Film Classification Office |
| BD | Bondage Dominance |
| BF | Blue Film |
| BFCB | Bangladesh Film Censor Board |
| BJ | Brian Johnson, rock musician |
| BM | Bad Movie |
| CBFC | Central Board of Film Certification |
| CC | Closed Captioning |
| CCA | Comics Code Authority |