English abbreviations from dawn to dbci
- DAWN ((U.S.) Drug Abuse Warning Network)
- DAWS (Digital Audio Work Station)
- DAX (Dazhou Heshi Airport)
- DAY (Dayton International Airport)
- DAZ (Darwaz Airport)
- DAZD (dip and azimuth display)
- dB (Decibel)
- DB-25 (25-pin D-SUB (series D subminiature) connector)
- DB9 (D-shell connector - One of the family of connectors: The "D" is the shape of the shell, the next letter determines connector size, and the number is the maximum pin count.)
- DBA (Dirtbag Airman (An Airman who does not represent the Air Force Core Values))
- DBAA (Duplicate Bridge Association of Atlanta)
- DBB (double block and bleed)
- DBBL ((U.S. Army Simulation Center) Dismounted Battlespace Battle Laboratory)
- DBBS (Digital Bass Boost System)
- DBC (dissolved black carbon)
- DBCC (Deaf-Blind Contact Center)
- DBCE (Desh Bhagat College of Education)
- DBCI (Double Bulk Current Injection)