DAT
- .dat
- Coombs test
- DAT (airline)
- DAT (chemotherapy)
- DAT (newspaper)
- DAT Solutions
- Dat (song)
- Datchet railway station
- Datong Yungang International Airport
- Day After Tomorrow (band)
- Delta Air Transport
- Dental Admission Test
- Design and Technology
- Desk appearance ticket
- Diamyltryptamine
- Digital Audio Tape
- Direct agglutination test
- Disaster Action Team
- Divergent Association Test (DAT)
- Dolphin-assisted therapy
- Dopamine transporter
- Double acting tanker
- Drug action team
- Dynamic Acceleration Technology
- Incoterms
- List of legal entity types by country
- Lynx Air
- Virtual memory