| WD | Western Digital |
| CW | Country and Western |
| WU | Western Union |
| WRL | Western Research Laboratory |
| WTR | Western Test Range Raketenstartplatz-Testgelände USA |
| WEOG | Western European and Others Group |
| West.Pol.Quart. | Western Poitical Quarterly Fachzeitschrift |
| WRN | Western [West-/westlich] |
| WHTI | Western Hemisphere Travel Initiative |
| WEEB | Western European EDIFACT Board |
| West. J. Appl. For. | Western Journal of Applied Forestry Zeitschrift |
| CWRU | Case Western Reserve University |
| WSMC | Western Space & Missile Center |
| WELAC | Western European Laboratory Accreditation Conference |
| EM | Western Airlines [IATA-Airline-Code/ Australien] |
| DVI-D | Digital Video Interface Digital only |
| ADD | Analog - Digital - Digital Herstellungsprozess von Tonträgern: Analoge Aufnahme, digitales Mastering, digitaler Tonträger |
| DM | Digital Mechanics |
| DMM | Digital Multimeter |
| D/A | Digital/Analog |
| D/L | Digital Library |
| DTV | Digital TeleVision http://www.digitalfernsehen.de |
| DTV | Digital Television |
| DV | Digital Video |
| LAD | Leistungsanschlusseinheit, digital |
| DR | Digital Research |
| DS | Digital Signal |
| DVM | Digital Voltmeter |
| DWD | Digital Web Designs |
| A/D | Analog/ Digital |
| DR | Digital Research [DRI] |
| DSQ | Digital Squelch |
| DL | Digital Library |
| DTR | Digital Trunk |
| DVL | Digital Video Link |
| DMCA | Digital Millennium Copyright Act US-Gesetz, welches die Rechte von Copyright-Inhabern erweitert |
| DMC | Digital Media Center |
| DLC | Digital Loop Carrier |
| DMC | Digital Microscope Camera |
| DMI | Digital Multiplexed Interface |
| EWSD | Elektronisches Wählsystem, digital |
| DMS | Digital Multiplexed System |
| DID | Digital Information Display |
| DMX | Digital Music Express |
| DNA | Digital Network Architecture |
| DNA | Digital Network Architecture [DEC] |
| DVI | Digital Video Interface |
| DIF | Digital Interface Frame |
| DMB | Digital Multimedia Broadcasting |
| DIG | Digital Imposition Geometry |