DB
- dB – (s) Decibel
- Db – (s) Dubnium
- DB – (i) Database – Deutsche Bahn
- d/b/a – (i) doing business as
- DBA – (i) De Bellis Antiquitatis (miniature wargaming rules)
- DBBL – (i) (U.S. Army Simulation Center) Dismounted Battlespace Battle Laboratory
- DBCS – (i) Double Byte Character Set
- DBDO – (i) Desert BDO
- DBE – (i) Dame Commander of the Order of the British Empire
- DBF – (i) Detection By Fire (weapon launch signature)
- DBM – (i) De Bellis Multitudinis (miniature wargaming rules) – Detection By Movement (military target)
- DBR – (i) De Bellis Renationis (miniature wargaming rules)
- DBRA – (i) Davis-Bacon Related Acts
- DBS – (i) Direct Broadcast Services (television)
Read more about this topic: List Of Acronyms And Initialisms: D