| Acronyms | Meaning / Significance |
Source |
| W3C | World Wide Web Consortium | |
| WABI | Windows Application Binary Interface | |
| WADGNSS | Wide Area Differential Global Navigation Satellite System | |
| WAIT | WWMCCS ADP Interface Terminal | |
| WAN | Wide Area Network | |
| WARC | World Administrative Radio Conference | |
| WARM | war reserve mode | MC 64/5, NEWAC |
| WAS | Wide Area Subsystem | |
| WAS | wide area surveillance | |
| WASP | wartime application software project | |
| WAVELL | UK tactical ADP CCIS | |
| WBS | Work Breakdown Structure | STC CSNI final report 22/9/95 |
| WBSVS | wide band secure voice system | |
| WC-CAP | War Consumables Calculation | |
| WCB | wartime contingency base | |
| WCO | Weapon Control Order | |
| WD | working draft | ISO |
| WDIC | war damage information centre | |
| WEAG | Western European Armaments Group | |
| WEU | Western European Union | |
| WEZ | weapon engagement zone | |
| WG | working group | |
| WG/WC | MCMG working group on weather communications | |
| WG/WP | MCMG working group on weather plans | |
| WGI | workstation guard interface | |
| WGNCE | working group of national communication experts | |
| WHIDDS | war headquarter information dissemination and display system | SHAPE PWHQ |
| WHQ | War Headquarters | AC/317-N/798 |
| WHQ | wartime headquarter | |
| WI | Warning Installation | |
| WI | working instructions | |
| WIN | WWMCCS Interconnect Network | |
| WIS | WWMCCS Information System | |
| WLOC | wartime line of communications | |
| WOC | wartime operation centre | |
| WOC | Wing Operations Centre | ACCS |
| WP | Working Party | |
| WP | Working Paper | |
| WPC | warrior preparation centre | |
| WPIS | Warsaw pact intelligence service | |
| WPM | word per minute | |
| WS | workstation | |
| WSEM | workstation electronic module | |
| WTO | Warsaw Treaty Organisation | |
| WWMCCS | World Wide Military Command and Control System | |
| WWS | WIS workstation | |
| WWW | World Wide Web | |
| WXR | radiosonde station | |
| WY | weapon yield | |
| WYSIAWYG | what you see is almost what you get | |
| WYSIWYG | what you see is what you get |