| Abbreviation | Definition |
|---|---|
| ABRS | Asian Businessman Readership Survey |
| ABS | Abstract |
| ABS | American Behavioral Scientist magazine |
| ABS | Association for Broadcast Standards |
| ABS | Association on Broadcasting Standards |
| ABS-CBN | Alto Broadcasting System-Chronicle Broadcasting Network |
| ABSIE | American Broadcasting Station In Europe |
| ABSTR | Abstraction |
| ABU | Asian-Pacific Broadcasting Union |
| ABV | A Brilliant Venue |
| AC | Action Center |
| ACA | Animated Cel Archive |
| ACA | Association of Canadian Advertisers |
| ACAB | All Cops Are Bastard |
| ACBB | American Council for Better Broadcasts |
| ACBJ | American City Business Journals, Inc. |
| ACC | Author Created Character |
| ACC | Automatic Color Control |
| ACCM | Advisers of Christian Collegiate Media |
| ACCT | Ad hoc Committee for Competitive Telecommunications |