| X-LEGGED SALLY | KILLED BY CHARITY | 1993 | BEL | CD |
| XAAL | LIVE - VOISINS-LE-BRETONNEUX 4/7/90 | 1990 | FRA | HC |
| XAAL | XAAL | 1990 | FRA | PC |
| XAAL | ON THE WAY | 1992 | FRA | CD |
| XAAL | LIVE - PARIS 6/6/93 | 1993 | FRA | HC |
| XAAL | SECONDE ERE | 1995 | FRA | CD |
| XALPH | DEMOS '75 - '80 | 1980 | FRA | CD |
| XANG | DESTINY OF A DREAM | 1999 | FRA | CD |
| XCRANIEUM | INFLUX | 1990 | USA | HC |
| XCRANIEUM | MOODGRAFT | 1991 | USA | HC |
| XEN | UNRESOLVED GAMES | 1992 | USA | DT |
| XEN | XEN | 1993 | USA | CD |
| XFACTORX | XFACTORX | 1997 | USA | CD |
| XHOL CARAVAN | ELECTRIP | 1969 | GER | CD |
| XHOL | XHOL | 1971 | GER | HC |
| XHOL | MOTHERFUCKERS GMBH & CO. KG | 1972 | GER | HC |
| XHOL CARAVAN | MOTHERFUCKERS LIVE | 2001 | GER | CD |
| XII ALFONSO | THE LOST FRONTIER | 1996 | FRA | CD |
| XII ALFONSO | LIVE - MEXICALI 3/27/98 | 1998 | FRA | DT |
| XII ALFONSO | ODYSSEES | 1999 | FRA | CD |
| XIXXO | DOWN THE WORLD | 1994 | USA | CD |
| XL | JETI | 1999 | FIN | CD |
| XOLOTL | PROCESSION | 1982 | FRA | CD |
| XPLODING PLASTIX | AMATEUR GIRLFRIENDS GO PROSKIRT AGENTS | 2001 | NOR | CD |