| X BRASS | Xavier Boyer | Xeria |
| X JAPAN | Xavier Collet | Xettho |
| X Shampee エックス・しゃんぺ〜 | Xavier Dang | XFLAG Sound Team XFLAGサウンドチーム |
| X-TREME HARD | Xavier Thiry | XH |
| x1-1+1 ×1−1＋1 | XAX | Xi |
| X68K | XAXX0N 4AD | xi |
| xac | XBee | Xi |
| XÄCKSECKS | Xceon | xi-onP 彩音P |
| Xacla | Xeami 世阿弥 | Xiang & Yuan |
| Xacs Ishikawa Xacs石川 | XEBEC | Xiao Meng 孟霄 |
| Xacs.I | Xelfery | Xiao-Qing Jiang 姜小青 |
| XAI | XELIK | Xiaodan Zheng |
| xaimus | xeno-gramophone | Xiaogang Yuan 袁小钢 |
| xaki | XenoKeyz | Xiaohua Cheng 程晓华 |
| Xakyo | Xenon キセノン | Xiaokui Ding 丁晓逵 |
| Xale Slusser | Xenon Ishikawa ゼノン石川 | Xiaolong Chen 陈小龙 |
| Xanadu Rockalight Orchestra | Xenon-P キセノンP | Xiaolong Lee |
| Xander Cruise | xenothium | Xiaonan Xu 许笑男 |
| XANVEL | XeoN | Xiaosi Wang 王小四 |
| xarva | Xephia | Xiaoxing Lu 陆晓幸 |
