| Abbreviation | Definition |
|---|---|
| XMLG | XML- Global Technologies, Inc. |
| XMLH | Extensible Markup Language Head |
| XMR | Xena Media Review |
| XMR | X-treme Movie Reviews |
| XMRA | Xena Media Review Archives |
| XMV | Extreme Madness Video |
| XNCNA | Xinhua New China News Agency |
| XND | X-Men: Next Dimension |
| XR | Xavier Review |
| XVL | External Video Link |
| XW | X World |
| XWC | Xaos (Chaos) Winds of Change |
| XXL | Xtraordinary Xpression Of Life |
| Y | Contrast (gamma) |
| Y&R | Young and the Restless |
| Y3W | Your Three Words |
| YAF | Yet Another Fotoalbum |
| YAF | Young Adult Ficton |
| YAGC | Young Audiences of Greater Cleveland |
| YAP | Yet Another Preview |