| AAD | Assistant Athletic Director |
|---|---|
| AAS | Annuaire des Associations de Santé |
| ABR | Average Bandwidth Requirement |
| ABSTRAKCIONIZMUS | protirealistický smer v umení |
| ACYLPYRÍN | liek na zníženie teploty, utíšenie bolestí, antireumatikum podobné aspirínu |
| AD | Art Director |
| AD | Assistant Director |
| ADAMS | vrch v New Hampshire, vrch v USA |
| ADC | Active Directory Connector |
| ADC | Air Direction Controller |