MFR

MFR may refer to:


 * Rogue Valley International–Medford Airport, IATA code
 * Marine Forces Reserve
 * Medical first responder
 * Melt flow rate of thermoplastic polymers
 * Member of the Order of the Federal Republic, one of the Nigerian National Honours
 * Methanofuran, a chemical compound
 * Minimum funding requirement
 * Mixed Flow Reactor, a type of chemical reactor
 * Moray Firth Radio, a Scottish commercial radio station based in Inverness
 * Music for Relief, a charity organisation founded by Linkin Park
 * Myofascial release
 * Météo-France