| X BRASS | xarva | XeoN |
| X JAPAN | Xavier Boyer | Xephia |
| X Shampee エックス・しゃんぺ〜 | Xavier Collet | Xeria |
| X-TREME HARD | Xavier Dang | Xettho |
| x1-1+1 ×1−1＋1 | Xavier Thiry | Xeudo Code |
| X10 | XAX | XFLAG Sound Team XFLAGサウンドチーム |
| X68K | XAXX0N 4AD | XH |
| xac | XBee | Xi |
| XÄCKSECKS | Xceon | xi |
| Xacla | Xeami 世阿弥 | Xi |
| Xacs Ishikawa Xacs石川 | XEBEC | xi underground |
| Xacs.I | Xeductive | xi-on 彩音 ～xi-on～ |
| XAI | Xelfery | xi-onP 彩音P |
| xaimus | XELIK | xia |
| xaki | xeno-gramophone | Xiang & Yuan |
| Xakyo | XenoKeyz | Xiao Meng 孟霄 |
| Xale Slusser | Xenon キセノン | Xiao-Qing Jiang 姜小青 |
| Xanadu Rockalight Orchestra | Xenon Ishikawa ゼノン石川 | Xiaodan Zheng |
| Xander Cruise | Xenon-P キセノンP | Xiaogang Yuan 袁小钢 |
| XANVEL | xenothium | Xiaohua Cheng 程晓华 |
