DIF may refer to
- DIF (technique)- a greenhouse technique for controlling plant height
or as a three-letter acronym, may refer to:
- Danmarks Idræts-Forbund.
- Data Interchange Format
- Data Integrity Field, Data corruption error handling field in disk storage technology.
- Deposit Insurance Fund, the insurance fund of the Federal Deposit Insurance Corporation
- Depositors Insurance Fund, an insurance fund for deposits of state chartered banks in Massachusetts
- Desarrollo Integral de la Familia, a Mexican public institution
- differential item functioning
- Differentiation-inducing factor
- Digital Interface Format, the native stream format of DV video
- An abbreviation for Distrito Federal, the official name of Mexico City
- Djurgårdens IF, a sports club in Sweden
- Driver Install Framework, a Microsoft initiative for easier management of device drivers
- District Improvement Financing, related to Tax Increment Financing or TIF.