| IRF | Immediate Reaction Force 
| Others |
| IRF | Immediate Reaction Forces
| Others |
| IRF | Impulse Response Function
| Others |
| IRF | Incentive Research Foundation
| Others |
| IRF | Incentive Research Foundation's
| Others |
| IRF | Incident Response Force
| Others |
| IRF | Independent Research Forum
| Others |
| IRF | Industrial Revitalization Fund
| Others |
| IRF | Information Request Form
| Others |
| IRF | Information Resource File
| Others |
| IRF | Inherited Rights and Filters
| Others |
| IRF | Inherited Rights Filter
| Others |
| IRF | Initial Reaction Force
| Others |
| IRF | Initiation, Response, and Feedback
| Others |
| IRF | Innuedous Runtime Files
| Others |
| IRF | Inpatient Rehabilitation Facilities
| Others |
| IRF | Inpatient Rehabilitation Facility
| Others |
| IRF | Inpatient Rehabilitation Faclity
| Others |
| IRF | Insect Repellent Factor
| Others |
| IRF | Institut for Rationel Farmakoterapi
| Others |
| IRF | Institute For Regional Forecasting
| Others |
| IRF | Institute of Retirement Funds
| Others |
| IRF | Instrument Response Function
| Others |
| IRF | Instrumental Response Function
| Others |
| IRF | Instumentation Resource Facility
| Others |
| IRF | Integer Register File
| Others |
| IRF | Integrated Research Facility
| Others |
| IRF | Integration Reference Frame
| Others |
| IRF | Intelligent Resilient Framework
| Others |
| IRF | Interferon Regulatory Factor
| Others |
| IRF | Interferon Regulatory Factors
| Others |
| IRF | Interior Filter
| Others |
| IRF | Intermediate Routing Function
| Others |
| IRF | Internal Requisition Form
| Others |
| IRF | Internal Rigid Function
| Others |
| IRF | Internal Rotation in Flexion
| Others |
| IRF | International Rabbinic Fellowship
| Others |
| IRF | International Rabbinical Fellowship
| Others |
| IRF | International Racquetball Federation
| Others |
| IRF | International Radio Festival
| Others |
| IRF | International Rafting Federation
| Others |
| IRF | International Ranger Federation
| Others |
| IRF | International Recruitment Forum
| Others |
| IRF | International Regulators Forum
| Others |
| IRF | International Regulators' Forum
| Others |
| IRF | International Religious Freedom
| Others |
| IRF | International Renaissance Foundation
| Others |
| IRF | International Renaissance Foundation's
| Others |
| IRF | International Rhino Foundation
| Others |
| IRF | International Road Federation
| Others |
| IRF | International Road Ferry
| Others |
| IRF | International Rogaining Federation
| Others |
| IRF | International Rogaining Federation International Rogaining Federation
| Others |
| IRF | Internet Race Finder
| Others |
| IRF | Internet Racing Friends
| Others |
| IRF | Interrupted Return Feed
| Others |
| IRF | Intrasis Raw File
| Others |
| IRF | Intrinsic Resonance Frequency
| Others |
| IRF | Investigative Referral Form
| Others |
| IRF | Invisible Robot Fish
| Others |
| IRF | Is Remarkable For
| Others |
| IRF | Islamic Republic of France
| Others |
| IRF | Islamic Reseach Foundation
| Others |
| IRF | Islamic Research Foundation
| Others |
| IRF | Island Resources Foundation
| Others |
| IRF | It's Realy Fried
| Others |
| IRF | Iterative Reach Frequency
| Others |
| IRF | itiation Response Feedback
| Others |