EFM

EFM may refer to:
 * E FM, a radio channel in Sri Lanka
 * Canon EF-M lens mount
 * Canon EF-M camera
 * Edinburgh Dragon Trust, a British investment trust
 * Education for Ministry, an American Christian educational program
 * EFM Academy, now part of SCOPE Maastricht, a study association in the Netherlands
 * EFM Records, an American record label
 * Eight-to-fourteen modulation
 * Electronic fetal monitoring
 * Electrostatic force microscope
 * Enterprise feedback management
 * Environmental Fluid Mechanics, a scholarly journal
 * Ethernet in the first mile
 * European Film Market, a film market held during the Berlin International Film Festival
 * The FM extended band in Brazil, abbreviated eFM