| Abbreviation | Definition |
|---|---|
| AAWCCS | Army Atomic Weapons Systems Safety Committee |
| ABNM | American Board of Nuclear Medicine |
| AGNES | Anti Gravity Nuclear Earth Station |
| AGNES | Anti Gravity Nuclear Energy Supply |
| ANA | Anti Nuclear Antibodies |
| ANA | anti nuclear antibody |
| ANA | Auto Nuclear Antibodies |
| ANAC | Auckland Nuclear Accessory Company |
| ANAL | Aft Nuclear Accident Locker |
| ANBP | Asia Nuclear Business Platform |
| ANF | Atlantic Nuclear Force |
| ANMR | Acoustic Nuclear Magnetic Resonance |
| ANNT | Anti nuclear Northern Territory |
| ANO | Arkansas Nuclear One |
| ANPL | Alquds Nuclear Physics Laboratory |
| ANPP | Arizona Nuclear Power Project |
| ANPP | Armenian Nuclear Power Plant |
| ANPP | Army Nuclear Power Program |
| ANWA | Advanced Nuclear Weapons Alliance |
| ATNE | Attitudes Toward Nuclear Energy |