| Acronym | Definition |
|---|
| GRI | Graduate, Realtors Institute |
| GRI | Global Reporting Initiative |
| GRI | Getty Research Institute (Los Angeles, CA) |
| GRI | Green River (Amtrak station code; Green River, UT) |
| GRI | Global Review Index (ReviewPro) |
| GRI | Gas Research Institute |
| GRI | Galore Resources, Inc. (Canada) |
| GRI | General Rules of Interpretation |
| GRI | Gross Rental Income |
| GRI | General Rate Increase |
| GRI | Greenridge Realty, Inc. (Grand Rapids, MI) |
| GRI | Gallaudet Research Institute |
| GRI | Geo-Research Institute (Japan) |
| GRI | Geoscience Research Institute (Loma Linda, CA) |
| GRI | Gandhigram Rural Institute (Gandhigram, India) |
| GRI | Group Repetition Interval (LORAN-C) |
| GRI | Gualala Redwoods, Inc. (New Orleans, LA) |
| GRI | Geosynthetics Research Institute (Drexel University) |
| GRI | Grand Island, NE, USA - Central Nebraska Regional Airport (Airport Code) |
| GRI | Government of the Ryukyu Islands |
| GRI | Graduate of the Institute (real estate designation) |
| GRI | Global Robotics Institute (Celebration, FL) |
| GRI | Gurunavi Research Institute (Japan) |
| GRI | Growth Interruption |
| GRI | Grass Roots Impact |
| GRI | General Rules of Implementation |
| GRI | Goodhope Research Institute (Japan) |
| GRI | Group Repeatability Indicator |
| GRI | Group Relations International (Netherlands) |
| GRI | Glitter-Related Injury (Will & Grace TV series) |