English abbreviations from rgns to rha
- RGNS (Rabun Gap Nostalgia Society)
- RGO (Chongjin Airport)
- RGP (Rigid-gas-permeable)
- RGPO (Range Gate Pull Off)
- RGQ (Responsible Gaming Quarterly)
- RGR (RetroGaming Radio)
- RGS (Burgos Airport)
- RGT (Registry of Guitar Tutors)
- RGTMC (Reliability Growth Tracking Model Continuous)
- RGU (Report Generator Utility)
- RGUKT (Rajiv Gandhi University of Knowledge Technologies)
- RGVTDB (Rapidly Generated Virtual Terrain Data Base)
- RGW (Radio Gets Wild)
- RGWS (Rio Grande Water Storage)
- RGZ (Radio Ground Zero)
- Rh (Rhodium)
- RHA (rolled homogeneous armour)