| IRI | Idaho Reading Indicator 
| Others |
| IRI | IMPEL Review Initiative
| Others |
| IRI | Impinj Radio Interface
| Others |
| IRI | Implementation Research Institute
| Others |
| IRI | Indiana Robotics Invitational
| Others |
| IRI | Industrial Representatives Inc
| Others |
| IRI | Industrial Research Institute
| Others |
| IRI | Industrial Risk Insurers
| Others |
| IRI | Informal Reading Inventory
| Others |
| IRI | Information Resources Inc
| Others |
| IRI | Information Resources, Incorporated
| Others |
| IRI | Information Reuse and Integration
| Others |
| IRI | Initial Requester Id
| Others |
| IRI | Initiative and Referendum Institute
| Others |
| IRI | Initiative for Responsible Investment
| Others |
| IRI | Innovation Research Interchange
| Others |
| IRI | Innovative Resources for Independence
| Others |
| IRI | Innovative Routines International
| Others |
| IRI | Institut de recherche et d'innovation
| Others |
| IRI | Institute on Rehabilitation Issues
| Others |
| IRI | Insulin Resistance Index
| Others |
| IRI | Insured Retirement Institute
| Others |
| IRI | Inter Reward Interval
| Others |
| IRI | Inter-Reward Interval
| Others |
| IRI | Interactive Radio Instruction
| Others |
| IRI | Interactive Remote Instruction
| Others |
| IRI | Intercept Related Information
| Others |
| IRI | Interdepartmental Requisition and Invoice
| Others |
| IRI | Internal Repairing and Insuring
| Others |
| IRI | International Reference Ionosphere
| Others |
| IRI | International Registries Inc
| Others |
| IRI | International Renewal Institute
| Others |
| IRI | International Republican Institute
| Others |
| IRI | International Research Institute
| Others |
| IRI | International Resource Identifier
| Others |
| IRI | International Rhumart Institute
| Others |
| IRI | International Roughness Index
| Others |
| IRI | Internationalized Resource Identifier
| Others |
| IRI | Internationalized Resource Identifiers
| Others |
| IRI | Internet Research Institute
| Others |
| IRI | Internet Resource Identifier
| Others |
| IRI | Interpersonal Reactivity Index
| Others |
| IRI | Iota Reference Implementation
| Others |
| IRI | Islamic Republic Of Iran
| Others |
| IRI | itial Reference Implementation
| Others |