| Acronym | Definition |
|---|
| RCG | Ras to Cas Generator |
| RCG | Retinal Ganglion Cell (neuron) |
| RCG | Rain City Guide (real estate resource; Seattle, WA) |
| RCG | Rosenthal Collins Group, LLC (est. 1923) |
| RCG | Recruiting Group |
| RCG | Responsible Conduct of Gambling |
| RCG | Recent College Graduate |
| RCG | Revolutionary Communist Group (Northern Ireland) |
| RCG | Radio Church of God |
| RCG | Race, Class and Gender (academic subject) |
| RCG | Raiffeisen Central Genossenschaft (German: Raiffeisen Cooperative) |
| RCG | Record Collectors Guild (website) |
| RCG | Resource Consulting Group |
| RCG | Renaissance Capital Growth & Income Fund III (Dallas, TX) |
| RCG | Rimkus Consulting Group (forensic consulting company) |
| RCG | Random Card Generator (poker website program) |
| RCG | Radioactivity Concentration Guide |
| RCG | Racing Club de la Goele (French volleyball club) |
| RCG | Restoration Contractors Group |
| RCG | Rugby Club Gresivaudan (French rugby club) |
| RCG | Range Concatenation Grammar |
| RCG | Reston Consulting Group, Inc. |
| RCG | Resurgens Communications Group, Inc. |
| RCG | Reverberation Controlled Gain |
| RCG | Rugby Club de Gradignan (French rugby club) |
| RCG | Reduced-Constraint Generalization |
| RCG | Rotorua Caving Group (caving club in NZ) |
| RCG | Roberts Creek Gangstas (rap/hip hop group from British Columbia, Canada) |
| RCG | Route Calling Group |