| W | Watt | - | Organizations |
| W | West | - | Organizations |
| W | Wide | - | Organizations |
| W | Window | - | Organizations |
| W&B | Weight And Balance | - | Organizations |
| W&C | Wire And Cable | - | Organizations |
| W-G | Water-Glycol | - | Organizations |
| W/ | With | - | Organizations |
| W/B | Wideband | - | Organizations |
| W/E | Wing Elevon | - | Organizations |
| W/G | Water/Glycol | - | Organizations |
| W/H | Watt-Hour | - | Organizations |
| W/O | Without | - | Organizations |
| W/S | Work Station | - | Organizations |
| W/T | Wind Tunnel | - | Organizations |
| W/W | Weather | - | Organizations |
| W/W | Wheel Well | - | Organizations |
| W/WMS | Water/Waste Management System (Subsystem) | - | Organizations |
| W/Y | Wrist Yaw | - | Organizations |
| WA | Wide Angle | - | Organizations |
| WA | Work Authorization | - | Organizations |
| WAD | Work Authorization Document/Shop Order | - | Organizations |
| WAD/NU | Work Authorization Number | - | Organizations |
| WAR | Work Authorization Report | - | Organizations |
| WARN | Warning | - | Organizations |
| WAT | Web Action Time | - | Organizations |
| WB | Waterboiler | - | Organizations |
| WBC | White Blood Cells | - | Organizations |
| WBDI | Wideband Data Interleaver | - | Organizations |
| WBR | Work Bench Rack | - | Organizations |
| WBS | Work Breakdown Structure | - | Organizations |
| WBSC | Wide-band Signal Conditioner | - | Organizations |
| WBSC | Wide-Band Signal Conditioner | - | Organizations |
| WBT | Wide-Band Terminal | - | Organizations |
| WCCU | Wireless Crew Communication Unit | - | Organizations |
| WCLS | Water Coolant Loop System | - | Organizations |
| WCS | Waste Collection System | - | Organizations |
| WMC | Waste Management Compartment | - | Organizations |
| WONG | Weight On Nose Gear | - | Organizations |
| WOW | Weight On Wheels | - | Organizations |
| WP | Way Point | - | Organizations |
| WSB | Water Spray Boiler | - | Organizations |
| WSGT | White Sands Ground Terminal | - | Organizations |
| WSTF | White Sands Test Facility | - | Organizations |
| WTR | Western Test Range | - | Organizations |
| WTR | Western Test Range | - | Organizations |
| WTR | SYS Water System | - | Organizations |
| WTSC | Wet Tantalum Slug Capacitor | - | Organizations |
| WTT | Wind Tunnel Test | - | Organizations |
| WUC | Work Unit Code | - | Organizations |
| WUCF | Work Unit Code File | - | Organizations |
| WUSCI | Western Union Space Communications | - | Organizations |
| WW | Water Waste | - | Organizations |
| WW | Wire Wrap | - | Organizations |
| WWMS | Waste Water Management System | - | Organizations |
| WX | Weather | - | Organizations |
