| Abbreviation | Definition |
|---|---|
| WYPG | West Yorkshire Property Guide |
| WYSD | Wu Yan Shui Di |
| WYW1 | Wash Ya Wash Volume 1 |
| WYW2 | Wash Ya Wash Volume 2 |
| WYW3 | Wash Ya Wash Volume 3 |
| WYW4 | Wash Ya Wash Volume 4 |
| WZNN | World Zoroastrian News Network |
| WZU-1 | Wireless Zoom Unit 1 |
| XA | Xtremely Awesome |
| XBM | Xbox Magazine |
| XBMC | XBMC Big Media Center |
| XBN | Xbox Nation magazine |
| XCU | eXtreme Close Up |
| XDP | Xtreme Deluxe Portable Speaker System |
| XF | The X Files |
| XFA | X- Files Adventure |
| XFU | X- Files University |
| XGR | Xtreme Gaming Radio |
| XM2 | Canon Digital CamCorder |
| XMCL | Extensible Media Commerce Language |