| Acronym | Definition |
|---|
| A/S➣Age/Sex |
| A/S➣Assistant Secretary |
| A/S➣Aux Soins De (French: in care of) |
| A/S➣Authorized Shares (stock market) |
| A/S➣Anti-Spoofing (US DoD) |
| A/S➣Anti-Submarine |
| A/S➣Aktieselskab (Danish: Joint Stock Company) |
| A/S➣Aerospace Corporation |
| A/S➣All Square (golf) |
| A/S➣Air to Surface |
| A/S➣Auxiliary Steam |
| A/S➣Ascent Stage |
| A/S➣Advanced Supplementary (education testing level; also seen as AS) |
| A/S➣Antisurface |
| A/S➣Akcijas Sabiedriba (Latvian: Joint Stock Company) |