- WTWF (White Trash Wrestling Federation)
- WTWG (Watershed Technical WorkGroup)
- WTWH (When They Were Happy)
- WTWM (Where The World Meets)
- WTWNU (Wafer-To-Wafer Non-Uniformity)
- WTWP (Washington Township)
- WTWS (Windshear and Turbulence Warning System)
- WTWT (White Trash Wakeboard Tournament)
- WTWY (Waterway)
- WTX (Wokstation Technology eXtended)
- WTXB (West Texas Geneological Society Bulletin)
- WTXC (Western Texas College)
- WTXP (Watermark Time X Position)
- WTXS (Western Texas Square Dance & Round Dance Association)
- WTXU (WebTerm X Upgrade)
- WTY (Warranty)
- WTYA (West Texas Youth Association)
- WTYD (We Take You Down)
- WTYF (Warren Township Youth Football)
- WTYL (William T. Young Library)
- WTYP (Window To Your Pack)
- WTYY (Whytowhywhy? (route Guide for Waitewaewae, New Zealand)
- WTZ (Wild Turkey Zone)
- WTZA (Wettzell, Germany, GPS station, Ashtech Z12 receiver)
- WTZR (Wettzell, Germany, GPS station, AOA SNR-8000 ACT receiver)
- WTZT (Wettzell, Germany, Gps Station, TRIMBLE 4000 SSI receiver)
- WTZZ (Wettzell, Germany, Gps Station, Ashtech Z18 receiver)
- Wu (Uncorrected sweep Width)
- WUA (Wuhai Airport)
- WUAA (Words Used Again and Again)