MFI

MFI or M.F.I. may refer to:

Business

• Malmö Flygindustri (see Saab MFI13 and MFI-9 Junior)
• Media Factory, Inc., anime company
• MFI Group, former British furniture retailer, now an online store
• Microfinance institution, alternate form of bank found in developing countries which provides microcredit lending
• Modus Furniture International, American manufacturer of furniture
• Monetary Financial Institutions
• Money flow index, indicator in technical analysis

Science & Technology

• "Made for iPhone/iPod/iPad", Apple's licensing and certification program for electronic accessories that connect with their portable devices
• Magnetic field imaging, noninvasive and contact-free cardiac diagnostic method
• Male factor infertility, the inability of a male to achieve a pregnancy in a fertile female
• Melt flow index, measurement of property of a thermoplastic polymer as a means of quality control
• MFI Foundation Inc., non-profit science foundation providing technical-vocational scholarship and training in the Philippines
• Micromechanical Flying Insect, ornithopter robot that flies based on insect flight technique
• Mikoyan Project 1.44, MiG-MFI, Russian aircraft under development
• Minimum Fisher information, variational principle in information theory
• Multi-port fuel injection

Other

• Messiah Foundation International, spiritualist organization
• MindFreedom International, advocacy coalition dedicated to championing the rights of people labeled with psychiatric disorders
• Ministers Fellowship International, fellowship of non-denominational charismatic churches, a theologically mainstream descendant of the Latter Rain (post–World War II movement)
• Myfreeimplants, social networking website that offers an alternative to cosmetic-surgery financing via online contributions from its members
• Maquis Forces International, Star Trek fan organization, noted for having a German news station mistake their SEAL Team 6 emblem for that of the US SEALS Team 6