- W -
| Abbreviation | Meaning |
|---|---|
| w | wounded |
| W | West |
| W&B | Director of Works & Buildings (Naval) |
| W&PCRCE | Workshop & Park Company, Royal Canadian Engineers |
| W&SSOp | Water and Sanitation Service Operator |
| W&T | Wireless & Telephony |
| w/ | with |
| W/C | Wing Commander |
| W/K | Watchkeeping |
| W/Mech | Wireless Mechanic |
| W/O | Wireless Operator |
| W/Op | Wireless Operator |
| W/S | Workshop |
| W/T | Wireless Telegraphy |
| W/TBd | Wireless Telegraphy Board |
| W/TCal | Wireless Telegraphy Calibration Vessels |
| W/TO | Wireless Telegraphy Officer |
| W/TStation | Wireless Telegraphy Station |
| WA | Western Approaches |
| WA | Weaponman Air |
| WA | Watchman |
| Wa/T | Warning Telephone |
| WAAC | Women's Auxiliary Army Corps |
| WAC | War Assets Corporation |
| WAC | Western Air Command |
| WAf | West Africa |
| WAFF | West Africa Frontier Force |
| WAG | Wireless Air Gunner |
| WAI | Waiter |
| WarwickYeo | Warwickshire Yeomanry |
| WAt | Western Atlantic |
| WB | Whizz Bang |
| WBBV | Company of Waterborne Balloon Barrage Vessels |
| WC | Western Canada |
| WCLC | Western Command Labour Company |
| WCO | War Cabinet Offices |
| WCRCE | Works Company, Royal Canadian Engineers |
| WCRCE(A) | Works Company, Royal Canadian Engineers (Active) |
| WCRCE(R) | Works Company, Royal Canadian Engineers (Reserve) |
| WD | War Department |
| WD | War Diary |
| WD | Women's Division |
| Wd | Wounded |
| WDCS | War Disease Control Station |
| WDV | War Dept. Vessel or Wreck Dispersal Vessel |
| WE | War Establishment |
| WE | With Effect |
| WEA | Weather (U.S.) |
| wef | with effect from |
| WEF | Western Escort Force |
| WEF | Winter Experimental Flight |
| Welsh R | Welsh Regiment |
| WelshH | Welsh Horse |
| WEM | Wireless Electrical Mechanic |
| WESEAFRON | Western Sea Frontier (U.S.) |
| West&CumbYeo | Westmoreland & Cumberland Yeomanry |
| WestmrR(Mot) | Westminster Regiment (Motor) |
| WestNSR | West Nova Scotia Regiment |
| WESTOMP | West Ocean Meeting Point |
| WETP | War Emergency Training Program |
| WF | Canadian Army Postal Corps # 1, Canadian Army Overseas |
| WF | Canadian Army Postal Corps # 1, 2, 3, 4, 5 |
| WF | Government of Canada Canadian Troops |
| WF | Lewisporte, Newfoundland |
| WF | Phillips Head |
| WF | St. John's |
| WF | W. Force (Newfoundland) |
| WF | Wiseman's Point |
| WFCRCEME | "W" Force Company, Royal Canadian Electrical and Mechanical Engineers |
| WFERCCS | Western Fortress Establishment, Royal Canadian Corps of Signals |
| WFODRCOC | "W" Force Ordnance Depot, Royal Canadian Ordnance Corps |
| WFPD | "W" Force Postal Detachment |
| WFSIS | "W" Force Security Intelligence Section |
| WG(MG) | Winnipeg Grenadiers (Machine Gun) |
| WGDS | Welsh Guards |
| Wgnr | Waggoner |
| Whlr | Wheeler |
| WICS | Wainwright Internment Camp Staff |
| WIHQDCRCE | (Welding) Increment Headquarters Drilling Company, Royal Canadian Engineers |
| WiltsR | Wiltshire Regiment |
| Wiltsyeo | Wiltshire Yeomanry |
| WIR | West India Regiment |
| WIS(IC) | Wireless Intelligence Section (Intelligence Corps) |
| WK | Watchkeeping Certificates |
| Wkr | Worker |
| Wks | Works |
| wks | weeks |
| WksCoy | Works Company |
| Wkshp | Workshop |
| Wkshp&PkCoy | Workshop and Park Company |
| wksp | workshop |
| WLI | Winnipeg Light Infantry |
| WM | Wireless Mechanic |
| WMH(HWE)RCAMC | Woodstock Military Hospital (Home War Establishment) Royal Canadian Army Medical Corps |
| WMH(RCAMC) | Weston Military Hospital, Royal Canadian Army Medical Corps |
| WMH(RCAMC) | Wetaskiwin Military Hospital, Royal Canadian Army Medical Corps |
| WMH(RCAMC) | Windsor Military Hospital, Royal Canadian Army Medical Corps |
| WMH(RCAMC) | Wolsely Military Hospital, Royal Canadian Army Medical Corps |
| WNSR | West Nova Scotia Regiment |
| WNYDN | Wounded Not Yet Determined Nervousness (Neurasthenia) |
| WO | War Office |
| WO | Warrant Officer |
| WO1 | Warrant Officer Class 1 or First Class |
| WO2 | Warrant Officer Class 2 or Second Class |
| WOAG | Wireless Operator / Air Gunner |
| WOCARCE | Works Organization Canadian Army, Royal Canadian Engineers |
| WOCO | Wren Ordinary Communications Operator (Radio) Standard |
| WOI | Warrant Officer Class 1 |
| WOII | Warrant Officer Class 2 |
| WOIII | Warrant Officer, Class 3 |
| WOR | Western Ontario Regiment |
| WorcR | Worcestershire Regiment |
| WorcYeo | Worcestershire Yeomanry |
| WORD | Western Ontario Regimental Depot |
| WPL | Western Hemisphere Defence Plan |
| WPPS | Western Patrol Periodical Signal |
| WPS | Warship Production Superintendent |
| WR | Ship's Writer |
| WR | Writer |
| WR | Waterways and Railways |
| WR(M) | The Westminster Regiment (Motor) |
| WRAF | Women's Royal Air Force |
| WRCNS | Women's Royal Canadian Naval Service |
| WRD | Wireless Relay Detachments |
| WRidR | West Riding Regiment |
| WRNS | Women's Royal Naval Service |
| WRNS | Women's Royal Naval Service |
| WRR | West Riding Regiment |
| WRS | Wireless and Radio Schools |
| WS | Weaponman Surface |
| WS | Wireless School |
| WSB | War Supply Board |
| WSC | War Staff College |
| WSG | War Service Gratuity |
| WSHCRCAMC | Women's Services Health Centre, Royal Canadian Army Medical Corps |
| WSItoCASSU | Wireless Section Increment to Canadian Air Support Signal Unit |
| WSomYeo | West Somerset Yeomanry |
| WT | Water Transport |
| Wt | Warrant |
| wt | wireless telegraphy |
| WtCatO | Warrant Catering Officer |
| WtCkO | Warrant Cook Officer |
| WTCS | War Transport Committee Suez |
| WTel | Warrant Telegraphist |
| Wtelegr | Warrant Telegraphist |
| WtEng | Warrant Engineer |
| WtMAA | Warrant Master At Arms |
| WTO | Western Theatre of Operations |
| WtO | Warrant Officer |
| WtOffr | Warrant Officer |
| WtOO | Warrant Ordnance Officer |
| WtPatO | Warrant Patrol Officer |
| WtPhoto | Warrant Photographer |
| Wtr | Writer |
| WTS | Winter Training School |
| WtShpt | Warrant Shipwright |
| WtSO | Warrant Stores Officer |
| WtW | Warrant Writer |
| WtWO | Warrant Writer Officer |
| WU | Weaponman Underwater |
| WUB | Working Up Base |
| WVA | War Veteran's Allowance |
| WW | World War |
| Wyorks | West Yorkshire Regiment |