RFE may refer to: Radio Free Europe Reason for encounter, in medical records Request For Evidence, issued by the United States Citizenship and Immigration Services Recursive Feature Elimination, a feature selection algorithm in machine learning and statistics The Russian Far East Rainfall estimates, from the Famine Early Warning Systems Network Request for enhancement, or change request, in software development Road foreman of engines, a railroad occupation RFE (market research) (Recency, Frequency, Engagement) RFE Phonetic Alphabet, popular for phonetic notation in Spain and Mexico.