| D/O | Disorder 
| Others |
| D/P | Documents Against Payment
| Others |
| D/S | DownStream
| Others |
| D/S | Duration of Status
| Others |
| D/STRS | DownStairs
| Others |
| D/SUPT | Detective Superintendent
| Others |
| D/T | Date and Time
| Others |
| D/T | Day and Time
| Others |
| D/T | Doctor/ Teacher
| Others |
| D/T | Due To ....
| Others |
| D/V | Demonstration and Validation life cycle phase
| Others |
| D/VD | Data/Voice Data
| Others |
| D/W | Dextrose And Water
| Others |
| D/W | Discussed With
| Others |
| D/W | DishWasher
| Others |
| D00 | 10-Percentile Dice
| Others |
| D0AF (CDRH) | Division of Planning, Analysis and Finance (CDRH)
| Others |
| D1 | First Coast Guard District
| Others |
| D10 | 10-Sided Dice
| Others |
| D11 | Eleventh Coast Guard District
| Others |
| D12 | 12-Sided Dice
| Others |
| D12 | The Dirty Dozen
| Others |
| D13 | District 13
| Others |
| D13 | Thirteenth Coast Guard District
| Others |
| D13 | Volvo D13
| Others |
| D14 | Fourteenth Coast Guard District
| Others |
| D17 | Seventeenth Coast Guard District
| Others |
| D19 | Shorthand for an opening set of chess moves (not an acronym)
| Others |
| D1GP | d1 Grand Prix
| Others |
| D1SL | d1 Street Legal
| Others |
| D2 | Data Distribution
| Others |
| D2 | Dearborn Dynamic Toastmasters Club
| Others |
| D2 | Diesel Oil, 0.02% Sulfur
| Others |
| D2 | Second Coast Guard District
| Others |
| D20 | 20-Sided Dice
| Others |
| D29CTCR | Descendants of the Connecticut 29th Colored Regiment Infantry
| Others |
| D2A | Dash to Axle
| Others |
| D2B | Bogan dioxide
| Others |
| D2B | Data to Bus
| Others |
| D2B | Digital Data Bus
| Others |
| D2B | Domestic Digital Bus
| Others |
| D2B | Dynamic Big Data Broadcast
| Others |
| D2C | Datacenter to Cloud
| Others |
| D2C | Direct To Consumer
| Others |
| D2C | Driver to Car
| Others |
| D2D | Datacenter to Datacenter
| Others |
| D2D | Day to Day
| Others |
| D2D | Dealer to Your Door
| Others |
| D2D | Desktop to Desktop
| Others |
| D2D | Device to Device
| Others |