MFN

MFN may refer to:

• MFN, acronym for Most favoured nation status in international relations
• MfN, acronym for Museum für Naturkunde, a natural history museum in Berlin, Germany
• MFN, the IATA code for Milford Sound Airport, New Zealand
• Metromedia Fiber Network, Inc., now known as AboveNet
• Multi-frequency network
• Music for Nations, a British record label
• "MFN", a song by Cibo Matto from their 2014 album Hotel Valentine