| Acronym | Definition |
|---|
| RGI➣Référentiel Général d'Interopérabilité (French: General Repository for Interoperability) |
| RGI➣Rent Geared to Income Housing (Canada) |
| RGI➣Registrar General of India (census research) |
| RGI➣Revenue Growth Index (finance) |
| RGI➣Raw Gas Injection (petroleum engineering) |
| RGI➣Ragnar Granit Institute |
| RGI➣Resource Group International |
| RGI➣Rajiv Gandhi International Airport (India) |
| RGI➣Royal Group, Inc. (clothing manufacturer) |
| RGI➣Rumbaugh-Goodwin Institute for Cancer Research, Inc. (est. 1959; Plantation, FL) |
| RGI➣Regional Geographical Initiative |
| RGI➣Rail Gap Indicator (rail signal) |
| RGI➣Radio Gate International (Aston, PA) |
| RGI➣Resin-Modified Glass Ionomer (cement) |
| RGI➣Reactant Gas Inlet |
| RGI➣Richmond Group International (Virginia) |
| RGI➣Ressources Globales en Informatique (French: Global Computer Resources; est. 1990) |