| Acronym | Definition |
|---|
| HRI➣Hellenic Resources Institute (Greece) |
| HRI➣Horse Racing Ireland |
| HRI➣Housing Resources, Inc. (various locations) |
| HRI➣Heme-Regulated Inhibitor (proteins) |
| HRI➣Human-Robot Interaction |
| HRI➣Heat-Related Illness |
| HRI➣High Resolution Imager |
| HRI➣Historic Resources Inventory (various locations) |
| HRI➣Human Rights Internet (Ottawa, Canada) |
| HRI➣Hans Rudolph, Inc. (respiratory valves; Shawnee, KS) |
| HRI➣Human Rights Institute (various organizations) |
| HRI➣High-Risk Infant (various organizations) |
| HRI➣Hitachi Research Institute (Japan) |
| HRI➣High Rising Intonation (speech) |
| HRI➣Hotel, Restaurant, and Institution |
| HRI➣Horticulture Research Institute (American Nursery & Landscape Association) |
| HRI➣High Resolution Instrument |
| HRI➣Horticultural Research International (United Kingdom) |
| HRI➣Hull Royal Infirmary |
| HRI➣Huddersfield Royal Infirmary (UK) |
| HRI➣High Refractive Index |
| HRI➣Health-Related Item (non-drug pharmacy products) |
| HRI➣Human Readable Interpretation |
| HRI➣Hannah Research Institute (UK) |
| HRI➣High Resolution Imagery |
| HRI➣Heart Rate Impairment (cardiology) |
| HRI➣Hyundai Research Institute |
| HRI➣Humanitarian Relief Initiative |
| HRI➣Health Right, Inc. (Washington, DC) |
| HRI➣Hazard Risk Index |
| HRI➣Handedness Research Institute (Bloomington, IN) |
| HRI➣Human Resources Improvements (France) |
| HRI➣Hard Rock International |
| HRI➣Health Resources Incorporated |
| HRI➣Hamagin Research Institute (Japan) |
| HRI➣High Resolution Isolation |
| HRI➣Household Residual Income (UK) |
| HRI➣Human Resource Index |
| HRI➣High Risk of Isolation |
| HRI➣Height-Range Indicator |
| HRI➣High Resolution Information |
| HRI➣Heading Repeater Indicator |
| HRI➣Howe Robinson Index (shipbroker freight index) |