IFR
IFR stands for:
- Ideal final result, see TRIZ # ideality
- In-Flight Refueling, English for in-flight refueling
- Infection Fatality Rate, English for infected / deceased proportion
- Institute for Fire Brigade and Rescue Technology of the City of Dortmund, see Fire Brigade Dortmund # IFR - Institute for Fire Brigade and Rescue Technology
- Instrument Flight Rules, engl. for instrument flight rules
- Integral Fast Reactor , a sodium-cooled fast reactor in pool design with a metallic core
- International Federation of Robotics , an association
- International support group for space travel, Hermann Oberth - Wernher von Braun
IfR stands for:
- Information group for spatial planning , German specialist and professional association
