IRF may refer to:
General edit
- Impulse response function
- Inertial reference frame
- Information Retrieval Facility
- Initial Reaction Force or Internal Response Force
- Immediate Response Force
- Institute of Space Physics (Sweden), (Institutet för rymdfysik)
- Interferon Regulatory Factor (e.g. IRF6)
- International Rectifier, New York Stock Exchange symbol IRF
Foundations/organizations edit
Computing edit
- Intelligent Resilient Framework, Virtual Switch Chassis Aggregation