SFE may refer to:
Science and technology Secure function evaluation, in cryptography Shannon-Fano-Elias coding, a lossless data compression algorithm Society of Fuse Engineers, designers of certain automotive fuses Solar flare effect SparkFun Electronics, an electronics retailer Spec Files Extra, a way to build common packages for OpenSolaris or OpenIndiana Stacking-fault energy, in materials science Supercritical fluid extraction Surface free energy, often referred to as Surface energy
Other Sales force effectiveness San Fernando Airport (Philippines) IATA code Scottish Financial Enterprise, trade body for the financial services sector in Scotland Scouts for Equality, advocates for scouts and leaders in the Boy Scouts of America Sigma Phi Epsilon, a college fraternity in the United States Student Finance England; see Student Loans Company Supplier-furnished equipment Sydney Futures Exchange, now merged with the Australian Stock Exchange to become the Australian Securities Exchange The Encyclopedia of Science Fiction Something For Everybody, an album by Sammy Rae & The Friends