| W-DCS | Wideband Digital Cross-connect System 
| Others |
| W-E | Wide Excision
| Others |
| W-G | Water-Glycol
| Others |
| W-RISQS | Work-Related and Injury Statistics Query System
| Others |
| W-WNF | Wallowa- Whitman National Forest
| Others |
| w. | weiblich
| Others |
| w. z. b. w. | was zu beweisen war
| Others |
| W.A. Y. | "Weird Al" Yankovic
| Others |
| W.A.L. | What A Loser!
| Others |
| W.C. | water closet [U.K. (toilet)
| Others |
| W.G.M. | Worthy Grand Master (Masonic)
| Others |
| W/ | With/
| Others |
| W/A | Weakness atrophy
| Others |
| W/app | Whatsapp
| Others |
| W/B | Waybill
| Others |
| W/B | WideBand
| Others |
| W/B | Wire Bonding
| Others |
| W/B | Write Back
| Others |
| W/C | Water Closet
| Others |
| W/C | Week Commencing
| Others |
| W/C | Wheel Chair
| Others |
| W/C | Wheelchair
| Others |
| W/C | White Country
| Others |
| W/C | Wound Care
| Others |
| W/CDC | Warren/ Conner Development Coalition
| Others |
| W/D | Washer/Dryer
| Others |
| w/d | withdrawn
| Others |
| W/e | weekend
| Others |
| W/E | Wing Elevon
| Others |
| W/E | Work Experience
| Others |
| W/E | Wound of entry
| Others |
| W/F | Wandel/ Fietstochten
| Others |
| W/F | White Female
| Others |
| W/F | With Food
| Others |
| W/F | With Frame
| Others |
| W/G | Water/Glycol
| Others |
| W/G | Working Group
| Others |
| W/h | Watt-Hour
| Others |
| W/I | When Issued
| Others |
| W/I | Within
| Others |
| W/K | Wolverine/ Kitty Pryde Fansite
| Others |
| W/kg | Watts Per Kilogram
| Others |
| W/L | Warning Letter
| Others |
| W/L | Water Line
| Others |
| W/L | Whistle Level Crossing ahead
| Others |
| W/L | Wide or Long
| Others |
| W/M | Weight / Measurement
| Others |
| W/M2 | Watts per square Meter
| Others |
| W/n | Within n Words
| Others |
| W/O | the Work Of ....
| Others |