| XLC | Xtremely Lame Campers (gaming clan) | Xtremely Lame Campers（游戏族） |
| XLC | Xavier Leadership Center (Cincinnati, OH) | Xavier领导中心（俄亥俄州辛辛那提） |
| XLC | Xtreme Launch Coaster (roller coaster in Virginia) | Xtreme Launch Coaster（弗吉尼亚州过山车） |
| XLC | Xtremely Lame Cheaters (gaming clan) | Xtremely Lame Cheaters（游戏家族） |
| XLC | Excel Chart | Excel图表 |
| XLC | Xtreme Launch Coaster | Xtreme Launch过山车 |
| XLC | Expansion Link Card (Eastern Research) | 扩展链接卡（东部研究） |
| XLC | Xenon Lamp Collimator | 氙灯准直仪 |