UIF may refer to:
Universal Image Format, a proprietary disk image format used by MagicISO .uif, a file format used by WordPerfect Unidad de Inteligencia Financiera (Argentina), the intelligence agency of the Argentine Ministry of Economy Unidad de Inteligencia Financiera (Mexico), a financial investigative agency in Mexico Unión de Impresores de Filipinas, in the Philippines Union Interlinguiste de France, an organization that promotes Interlingua in France United Indoor Football, an indoor American football league University Islamic Financial, an American financial service company which provides home and commercial financing. United Islamic Front, Afghanistan United Issarak Front, Cambodia