| ABATE | značka insekticídu |
|---|---|
| AC | Agir ensemble contre le Chômage, francúzska organizácia na obranu nezamestnaných |
| ADA | Air Defense Area |
| ADAMS | americký fotograf (Ansel, 1902-1984) |
| ADC | Air Defense Center |
| ADD | Air Defense District |
| ADE | Air Defense Element |
| ADI | American Defense Institute |
| ADL | Air Defense Laboratory |
| ADO | Air Defense Operations |