The abbreviation stands for RFI

  • Radiative Forcing Index, a measure of the effect of greenhouse gases on the greenhouse effect
  • Radio France Internationale, the international broadcaster France
  • Radio Frequency Identification, to a method for the automatic identification of objects and animals
  • Radio frequency interference, a superposition of the electromagnetic waves
  • Remote File Inclusion, a vulnerability in the field of information technology
  • Request for Information, Request to potential suppliers if they could meet a need in principle
  • Rete Ferroviaria Italiana, part of the Ferrovie dello Stato
  • Disambiguation
  • Abbreviation