| Abbreviation | Definition |
|---|---|
| RIG | Radio Independents Group |
| RIG | Rate Integration Gyro |
| RIG | Really Interesting Group |
| RIG | Reduction is Gain |
| RIG | Reduction Is Gaining |
| RIG | Resource Information Group |
| RIG | Rewards and Incentives Group |
| RIG | Rotor Integrated Gearbox |
| RIG | Run Improve Grow |
| RIG | Rust Inhibiting Grease |
| RIGB | Regional Interoperability Governance Board |
| RIGB | Rio Itapicuru Greenstone Belt |
| RIGBY | Richard Is Great But Y |
| RIGC | Research Institute for Global Change |
| RIGC | Rhode Island Gender Community |
| RIGC | Rome International Graduate Colloquium |
| RIGC | Rotaract Iron Group Competition |
| RIGG | Random Incoherent Gibberish Generation |
| RIGHT | Restore Integrity Goodwill Honesty And Trust |
| RIGHTEOUS | Righteousness |