| Abbreviation | Definition |
|---|---|
| ARMB | Athénée Royal Marguerite Bervoets |
| ARMB | Automated Rapid Movable Barrier |
| ARMD | Age Related Macular Degneration |
| ARMD | Australasian Royal Mechanised Division |
| ARMD | Autosomal Recessive Muscular Dystrophy |
| ARMENIA | Armenian |
| ARMO | Affiliation of Rotational Moulding Organisations |
| ARMO | Automatic Reduction of Mutual Obligations |
| ARMO | Automotive Restoration Market Organization |
| ARMP | Agence de régulation des marchés publics |
| ARMP | Army Recreation Machine Program |
| ARMP | Association récréative Milton Parc |
| ARMP | Association Romande des Métiers de la Pierre |
| ARMP | Autorité de Régulation des Marchés Publics |
| ARMS | Addiction Recovery Management Service |
| ARMS | Advocacy for Resources for Modern Survival |
| ARMS | Airline Risk Management Solutions |
| ARMS | Autonomous Reef Monitoring Structures |
| ARMSE | Absolute Root Mean Square Error |
| ARMSE | Accumulative Root Mean Squared Error |