| Acronym | Definition |
|---|
| FRI | Friday |
| FRI | Forest Research Institute (India) |
| FRI | Fisheries Research Institute (Albania, aka: IKPD) |
| FRI | Family Research Institute |
| FRI | Fire-Rescue International |
| FRI | Forrester Research, Inc. |
| FRI | Food Research Institute |
| FRI | Federation Romande Immobiliere (French) |
| FRI | Fellow of the Real Estate Institute (Real Estate Institute of Canada accreditation) |
| FRI | Frequently Requested Information |
| FRI | Forest Resources Institute |
| FRI | Family Resource Institute |
| FRI | Family Reunion Institute |
| FRI | Florida Rock Industries, Inc. |
| FRI | Friends Research Institute, Inc |
| FRI | Foreningen Redd Individet (Norwegian) |
| FRI | Fellow of the Royal Institution (of Great Britain; London, England) |
| FRI | Financial Research Institute |
| FRI | Frigate Tuna (FAO fish species code) |
| FRI | Fidelity Research Institute |
| FRI | Focused Research Initiative |
| FRI | Future Rent Increases |
| FRI | Freie Regionalkultur Innbrücke |
| FRI | Family Restaurants Inc. |
| FRI | Fiduciaire, Revision et Informatique SA (French) |
| FRI | Fédération Routière Internationale (French: International Road Federation) |
| Fri | Modern Frisian (linguistics) |
| FRI | Fakulteta za racunalništvo in informatiko (faculty of computer science; Ljubljana, Slovenija) |
| FRI | Field Rework Index |
| FRI | Forestry Resources Inc (Fort Myers, Florida) |
| FRI | Fundamental Review of Infrastructure |
| FRI | Full Insuring and Repairing (Lease) |
| FRI | Fast Rate Input |
| FRI | Field Repeatability Indicator |
| FRI | Functional Requirements Identification |
| FRI | Floristic Richness Index |
| FRI | Final Reference Indicator |
| FRI | Fleet Routing Indicator |