| Acronym | Definition |
|---|
| DIF | Droit Individuel à la Formation |
| DIF | Difference |
| DIF | Desarrollo Integral de La Familia (Mexico) |
| DIF | Danmarks Idræts-Forbund (Denmark) |
| DIF | Deutsches Filminstitut (German Film Institute) |
| DIF | Directory Interchange Format |
| DIF | Data Interchange Format |
| DIF | Differential Item Functioning |
| DIF | Direct Immunofluorescence |
| DIF | Document Interchange Format |
| DIF | Decimation-In-Frequency |
| DIF | Display Interface |
| DIF | Dorsal-Related Immunity Factor (genetics) |
| DIF | Development Impact Fee (public finance) |
| DIF | Directory Interoperability Forum (IBM, Lotus, Novell, Oracle, et al) |
| DIF | District Improvement Financing |
| DIF | Data Integration Framework (information management) |
| DIF | Drug Information Fulltext (database) |
| DIF | Djurgårdens Idrottsförening (Swedish soccer and ice hockey club) |
| DIF | Djurgårdens Idrottsförening (Swedish sport team) |
| DIF | Discriminant Index Function |
| DIF | Diabetes Institutes Foundation (Norfolk, VA) |
| DIF | Data Interface Format |
| DIF | Digital Interface Frame |
| DIF | Differential White Blood Cell Count |
| DIF | Drill-In Fluids |
| DIF | Display Information Facility (IBM, S/38) |
| DIF | Discriminant Inventory Function (IRS) |
| DIF | Dear Little Friend (fictional, Prince Caspian -Trumpkin the dwarf) |
| DIF | Deterministic, Irreducible Finite-State (transition diagram) |
| DIF | Data Interchange Facility |
| DIF | Direct Immune Fluorescence |
| DIF | Developmental Integration Facility |
| DIF | DMERC (Durable Medical Equipment Regional Carrier) Information Form (Medicare billing) |