| Abbreviation | Definition |
|---|---|
| DSW | Discount Shoe Warehouse |
| DT | Daily Trader |
| DT | Deutsches Treffen Baden-Württemberg e.V. |
| DT | Direct Taxation |
| DT | Drahtwerke Treflerie |
| DT | Dynamic Touch |
| DTA | Dave's Targa Animation |
| DTAH | Formerly "du Toit Allsopp Hillier", but since 2012 simply DTAH |
| DTB | Dayton T. Brown |
| DTB | Dayton T. Brown, Inc. |
| DTB | Dead Tree Books |
| DTB | Deutsche TerminBorse |
| DTB | Digital Talking Books |
| DTBA | Dutch Tube Bending Association |
| DTBC | Darwin Trailer Boat Club |
| DTBK | Dare To Be King Project LLC |
| DTC | "Dubai Taxi Corporation" |
| DTC | Data Technology Corporation |
| DTC | Data Transformation Corp |
| DTC | Delaware Theatre Company |