MFN

MFN may refer to:

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