DFS
- DCE Distributed File System
- DFS Furniture
- DFS Group
- DFS Kopernikus
- DFS Program Exchange
- Daily fantasy sports
- Dancer Fitzgerald Sample
- Decoherence-free subspaces
- Demand Flexibility Service
- Department of Field Support
- Department of Financial Services (disambiguation)
- Department of Financial Studies
- Depth-first search
- Det frivillige Skyttervesen
- Deutsche Flugsicherung
- Deutsche Forschungsanstalt für Segelflug
- Digital Frequency Synthesizer
- Dirección Federal de Seguridad
- Disc Filing System
- Discover Financial Services
- Discrete Fourier series
- Disease-free survival
- Distributed File System (Microsoft)
- Distributed file system
- Double Fourier sphere method
- Dumfriesshire
- Dynamic Frequency Selection
- Dynamic frequency scaling
- Dynamite Fighting Show
- New York State Department of Financial Services