| Acronym | Definition |
|---|
| ARCG➣Association Radio Club Guyane (Guyane, France) |
| ARCG➣Assessment Review Coordinating Group (Scotland, UK) |
| ARCG➣Ashtabula River Cooperative Group (est. 1998; Ohio) |
| ARCG➣Agricultural Research Centre of Gembloux (Belgium) |
| ARCG➣Angas River Catchment Group (est. 1994; Australia) |