RFI
The abbreviation RFI stands for
- Radiative Forcing Index , a measure of the effect of greenhouse gases on the greenhouse effect
- Radio France Internationale , France's international broadcaster
- Radio Frequency Identification, a method for the automatic identification of objects and living beings, see RFID
- Radio Frequency Interference, a superposition of electromagnetic waves, see electromagnetic interference
- Remote File Inclusion , an information technology security vulnerability
- Request for information, request to potential suppliers as to whether they could basically meet a requirement, see tender
- Rete Ferroviaria Italiana, part of the Ferrovie dello Stato Italiane