ARCMA
| Acronym | Definition |
|---|---|
| ARCMA | Adaptive Request Channel Multiple Access |
| ARCMA | Arc Media Associates, Ltd. (UK) |
| ARCMA | Attack-Resilient Collaborative Message Authentication (network security) |
| ARCMA | Association Revermontoise pour la Conservation des Mécaniques Anciennes (French: Revermontoise Association for the Preservation of Vintage Motorsports) |