| Abbreviation | Definition |
|---|---|
| DLJ | Donaldson, Lufkin, & Jenrette |
| DLJSC | Donaldson Lufkin Jenrette Securities Corporation |
| DLLC | Delaware Limited Liability Company |
| DLLC | Domestic Limited Liability Company |
| DLLD | Douglas Leonard Lighting Designers |
| DLM | Don's Light & Magic |
| DLN | Distributed Learning Networks Inc |
| DLO | Diagnostic Laboratory of Oklahoma |
| DLO | Digital Lifestyle Outfitters |
| DLPDS | DL Property Development Strategies, Limited |
| DLR | Dealer |
| DLR | Disneyland Resort |
| DLRL | Docklands Light Railway Ltd |
| DLS | Downtown Legal Services |
| DLSI | Davis Langdon & Seah Internationa |
| DLSI | Defense Logistics Support, Inc. |
| DLT | Dom Leningradskoi Torgovli |
| DLV | De Loach Vineyards |
| DLV | Dominant Logic Value |
| DLW | Diesel Locomotive Works |