MIF may refer to:
Computing Maker Interchange Format, a markup language used by Adobe FrameMaker Management Information Format, a format used to describe a hardware or software component MapInfo Interchange Format, a map and database exporting file format of MapInfo
Finance Maharlika Investment Fund, a sovereign wealth fund in the Philippines Master in Finance Multilateral Investment Fund, an independent fund administered by the Inter-American Development Bank
Medicine Macrophage migration inhibitory factor, a protein involved in immune response. Müllerian inhibiting factor, a hormone that plays a role in the sexual differentiation of humans Merthiolate-Iodine-Formaldehyde, a solution used in biomedical laboratories
Science and technology Magnetized Inertial Fusion, a method of generating energy Mass-independent fractionation, any chemical or physical process that acts to separate isotopes Maximal intersecting family, in mathematics Metal–inorganic framework
Other uses Anthony J. Mifsud, Maltese-born Canadian actor, singer and songwriter, performs professionally under the moniker Mif Manchester International Festival, an arts festival held in Manchester, England Miners' International Federation, former global union federation