| Acronym | Definition |
|---|
| DBA | Database Administrator |
| DBA | Doing Business As (business entity/name) |
| DBA | Doctor of Business Administration |
| DBA | Database Administration |
| DBA | Database Architect |
| DBA | Database Analyst |
| DBA | Defense Base Act |
| DBA | Design Business Association |
| DBA | Downtown Business Association |
| DBA | Doppelbesteuerungsabkommen (German: Double Taxation Agreement) |
| dBA | Decibels (Acoustic) |
| DBA | Don't Be Afraid (Information Society album) |
| DBA | Deutsche Ba (German airline) |
| DBA | Dynamic Bandwidth Allocation (ISDN) |
| DBA | Diamond-Blackfan Anemia |
| DBA | De Bellis Antiquitatis (miniatures wargaming rules) |
| DBA | Department of Business Assistance (Virginia, USA) |
| DBA | Digital Broadcasting Australia |
| DBA | Dynamic Bandwidth Assignment |
| DBA | Design Basis Accident |
| DBA | Don't Bother Asking |
| DBA | Downtown Business Alliance |
| DBa | Decibel Adjusted |
| DBA | Defence Bills Agency (UK) |
| DBA | Dual Band Antenna |
| DBA | Dibenzylidene Acetone |
| DBA | Dominant Battlespace Awareness |
| DBA | Davis-Bacon Act of 1931 |
| DBA | Dilute Brown Non-Agouti (laboratory mouse) |
| DBA | Dollar Bill Acceptors |
| DBA | Dominant Battlefield Awareness |
| DBA | Digital Broadcast Audio |
| DBA | Deductions, Benefits and Accruals |
| DBA | Deaf Basketball Association |
| DBA | Don Bosco Academy (Philippines) |
| DBA | Dibasic Esters |
| DBA | Direct Budget Authority |
| DBA | Design Based Analysis |
| DBA | Diode Box Assembly |
| DBA | Daytime Broadcasters Association |
| DBA | Dorset Business Awards |
| DBA | Dragon Battleaxe (gaming, Runescape weapon) |
| DBA | Differently-Abled Business Association (Portland, OR) |
| DBA | Deformed Bar Anchor |
| DBA | Directory of British Associations |
| DBA | Danish Beekeepers' Association (Danmarks Biavlerforening) |
| DBA | Dumb But Adorable |
| DBA | De Bonis Asportatis (Latin: Carrying Away Goods; legal) |
| DBA | Distance Based Approach (software reliability) |
| DBA | Design Basis Aircraft |
| DBA | Dynamic Beam Attenuator (electronics) |
| DBA | Dentine Bonding Adhesive (dentistry) |
| DBA | Diffusion Binding Assay |
| DBA | Découpe Béton Armé (French: Cut Reinforced Concrete) |
| DBA | Downtown Berkeley Association (Berkeley, CA) |
| DBA | Défi Belgique Afrique (French: Belgian Africa Challenge; Belgium) |
| DBA | David Begg Associates (UK) |
| DBA | Décibel Pondéré A (French: Weighted Decibel) |