| XCT | X-Band Communications Transponder | X波段通信转发器 |
| XCT | Xbox Colombian Team (gaming) | Xbox哥伦比亚队（游戏） |
| XCT | Xbox Canada Tournaments (gaming website) | Xbox加拿大锦标赛（游戏网站） |
| XCT | Xtreme Cheer Technic (Quebec, Canada cheerleading) | Xtreme Cheer Technic（加拿大魁北克啦啦队） |
| XCT | Equity Securities Trust I | 权益证券信托I |
| XCT | X-ray transmission computed tomography | X射线透射计算机断层摄影 |