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 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 Marriage Interference Factor, acceptance of technical equipment by partner Miners' International Federation, former global union federation