| BD | Bound | |
| BD | Broker Dealer (securities firm) | |
| BD | Band (German: Volume [books]) | |
|
| BD | Break Down | |
| BD | Business Development | |
| BD | Boulevard | |
| BD | Business Day | |
| BD | Bundle | |
| BD | Bradford (postcode, United Kingdom) | |
| BD | Breaking Dawn | |
| BD | La Bande Dessinee | |
| BD | Boundary | |
| BD | Back Door | |
| BD | Bandes Dessinées (French: Comic Books) | |
| BD | Brain Damage (Pink Floyd song/fanzine) | |
| BD | British Midland (IATA airline code) | |
|
| BD | Building Department | |
| BD | Breakdance | |
| BD | Brought Down | |
| BD | Base de Donnée (French: Database) | |
| BD | budget deficit | |
| BD | Baby Dance (trying to get pregnant) | |
| BD | Butadiene | |
| BD | Banda Desenhada (Comic Books) | |
| BD | Broken Dreams | |
| BD | Bulk Density | |
| BD | Bahraini Dinar (unit of currency) | |
| BD | Brood War (game) | |
| BD | Boot Drive | |
| BD | Bronchodilator (respiratory airflow) | |
| BD | Boulder Dash (computer game) | |
| BD | Brand Development | |
| BD | Bonner Durchmusterung (astronomy) | |
| BD | British Midland Airlines (airline IATA code) | |
| BD | Baker's Dozen | |
| BD | Buffer Descriptor (PowerPC CPM) | |
| BD | Buildings Department | |
| BD | Broder Daniel (band) | |
| BD | Bachelor of Divinity | |
| BD | By Direction | |
| BD | Brownian Dynamics | |
| BD | Bootable Disk | |
| B-D | Becton, Dickinson & Co. | |
| BD | Baby's Daddy (denotes a father of a child who is not married to the mother) | |
| BD | Brachydactyly | |
| BD | Base Deficit (acid-base balance) | |
| BD | Branch Davidian (cult) | |
| BD | Biomedical Diagnostics | |
| BD | Blade Dancer (game Lineage2) | |
| BD | Butane Diol | |
| BD | Binary Dump | |
| BD | Baseline Description | |
| BD | Burmester-Desmedt | |
| BD | Binary Decoder | |
| BD | Bypass Diode | |
| BD | Base-Down Prism (ophthalmology) | |
| B-D | Buss-Durkee Hostility Inventory (also seen as BDHI) | |
| BD | Bio-Daughter | |
| BD | Bus Director | |
| BD | Buried Distribution | |
| BD | Base-Line Design | |
| BD | Ballast Deck (railroad bridges) | |
| BD | Beginning Descent | |
| BD | British Dressage Ltd (UK) | |
| BD | Branch Deletion | |
| BD | Biennial Declaration | |
| BD | Balcony Drain (plumbing) | |
| BD | Biodiagnóstico SA (Guatemala, private lab) | |
| BD | Bachelor of Drama | |
| BD | Bass Drum | |
| BD | Bastardidentro (Italian video) | |
| BD | Battlefield Digitization | |
| BD | Battlefield Distribution | |
| BD | Baud | |
| BD | Bearded Dragon | |
| BD | Beaver Dam | |
| BD | Becton Dickinson and Company | |
| BD | Beedi (Indian cigar) | |
| BD | Bangladesh (top-level domain name) | |
| BD | Bank Draft | |
| BD | Barndoor | |
| BD | Baron Davis (NBA Player) | |
| BD | Barrel Distortion (video distortion) | |
| BD | Barrels per Day | |
| BD | Base Damage | |
| BD | Base de Datos (Spanish: Database) | |
| BD | Big Dawg | |
| BD | Big Deal | |
| BD | Big Detroit | |
| BD | Big Dig (Boston, MA, USA) | |
| BD | Big Dummy (cycling; Surly) | |
| BD | Bile Duct | |
| BD | Billing Domain | |
| BD | Bills Discounted | |
| BD | Behavior Disorder | |
| BD | Behcet's Disease | |
| BD | Belly Dance | |
| BD | Ben Davis (High School) | |
| BD | Ben Drowned (Creepypasta) | |
| BD | Bermuda | |
| BD | Berne Declaration (Switzerland) | |
| BD | Betterdays (band) | |
| BD | Bible Dictionary | |
| BD | Bio-Diesel | |
| BD | Binary to Decimal | |
| BD | Binomial Distribution | |
| BD | Binary Digit | |
| BD | Binary Discrete | |
| BD | Binary Divide | |
| BD | Bipolar Disorder | |
| BD | Birth Dad (adoption) | |
| BD | Birth Daughter | |
| BD | Birth Defect | |
| BD | Birth Doula (childbirth) | |
| BD | Birthday | |
| BD | Bis in Die (Latin: twice a day) | |
| BD | Black Diamond | |
| BD | Black Disciples (gang; Chicago, IL) | |
| BD | Black Dog (White-Wolf's game studio) | |
| BD | Black Dragon (gaming) | |
| BD | Biological Defense | |
| BD | Boondoggle | |
| BD | Block Diagram | |
| BD | Blood Donation | |
| BD | Blowdown | |
| BD | Blowing Dust (weather reports) | |
| BD | Blu-ray Disc | |
| BD | Blue Devils (drum and bugle corps; Concord, CA) | |
| BD | Blue Diamond | |
| BD | BlueDragon (computer parsing engine) | |
| BD | Bluetooth Device | |
| BD | Board | |
| BD | Board Diagnostics | |
| BD | Bob Dole | |
| BD | Bob Dylan (singer) | |
| BD | Body Density (body compostion analysis) | |
| BD | Body Development (gaming) | |
| BD | Bomb Disposal | |
| BD | Bombardment Division | |
| BD | Bondage & Discipline | |
| BD | Bone Dry | |
| BD | Bug Detector (electronics) | |