| Abbreviation | Definition |
|---|---|
| DBD | Data Base Definition |
| DBD | Death Before Dishonor |
| DBDD | Data Base Design Definition |
| DBDD | Database Design Document |
| DBDI | Digital Bearing Distance Indicator |
| DBDO | Desert Battle Dress Overgarment |
| DBDU | Desert Battle Dress Uniform |
| DBF | Diesel Boats Forever |
| DBFC | Deputy British Forces Cyprus |
| DBG | DataBase Generation |
| DBI | Defense Budget Issue |
| DBI | Diablo's Brute Infantry |
| DBIDS | Defense Biometrics Identification System |
| DBIT | Deep Battle Integration Training |
| DBK | DayBreak |
| DBM | DataBase Manager |
| dBm | Decibel relative to one milliwatt |
| DBMS | Database Management System |
| DBMS | Defense-Business Management System |
| DBMS | Director, Base Medical Services |