| Abbreviation | Definition |
|---|---|
| ARRT | American Revolution Round Table |
| ARTT | Alternative Restoration Technology Team |
| ASC | Adventure Science Center |
| ASDM | Arizona Sonora Desert Museum |
| ASDM | Arizona-Sonora Desert Museum |
| ASHM | American Swedish Historical Museum |
| ASOM | Airborne and Special Operations Museum |
| ASTRA | Muzeul ASTRA, Sibiu |
| ATD | Arrid Total Deoderant |
| AVAM | American Visionary Art Museum |
| AVIM | Antelope Valley Indian Museum |
| AWM | American Writers Museum |
| AYAM | Altharetta Yeargin Art Museum |
| bAdA | beaux-Arts-des Amériques |
| BADM | Bay Area Discovery Museum |
| BAM | Bellevue Arts Museum |
| BAM | Berkeley Art Museum |
| BAM | Boise Art Museum |
| BAMPFA | Berkeley Art Museum and Pacific Film Archive |
| BARAS | Bristol And Region Archaeological Services |