UIF may refer to:
In Computing:
- Universal Image Format, a proprietary disk image format used by MagicISO
- A little known and rarely used computer file format used by WordPerfect
- UI Foundry
Other uses:
- 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
- Unità di Informazione Finanziaria, the financial intelligence agency of Italy
- 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
- United Issarak Front
- Unemployment Insurance Fund, in South Africa.