IRF

IRF may refer to:

General

• 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

• International Ranger Federation
• International Rabbinic Fellowship
• International Rogaining Federation
• Islamic Research Foundation
• International Rafting Federation
• International Ringette Federation
• International Road Federation

Computing

• Intelligent Resilient Framework, Virtual Switch Chassis Aggregation