- DIFS stands for Distributed Inter-Frame Space
- DIFS stands for Distributed Index for Features in Sensor Networks (IEEE publication)
- DIFS stands for Defense Integrated Financial System
- DIFS stands for Division of Identification and Forensic Science (Israeli police)
- DIFS stands for Développement Industrialisation Fabrication de Sièges (French: Manufacture of Development Industrialization Seats)
- DIFS stands for Dedham Institution for Savings (Dedham, MA)
- DIFS stands for Department of Information Systems (various locations)
DIFS