| Official |
|---|
| 1.3 | 20th Century Boy | 3:42 | Placebo | Velvet Goldmine: Music From the Original Motion Picture | Various Artists | Album + Soundtrack | | London Records | 556 035-2 |
| 1.2 | 20th Century Boy | 3:41 | Placebo | You Don’t Care About Us | Placebo | Single | | Hut Recordings, Virgin , Elevator Music | 7243 8 95363 24, FLOORCD7 |
| 1.3 | 20th Century Boy | 3:42 | Placebo | Velvet Goldmine | Various Artists | Album + Soundtrack | | London Records | POCD-1279 |
| 1.3 | 20th Century Boy | 3:42 | Placebo | Velvet Goldmine (Special Edition) | Various Artists | Album + Soundtrack | | London Records | |
| 1.3 | 20th Century Boy | 3:43 | Placebo | Velvet Goldmine: Music From the Original Motion Picture | Various Artists | Album + Soundtrack | | London Records , Inner-State Recordings | 314-556-035-2 |
| 2.5 | 20th Century Boy | 3:41 | Placebo | Sleeping With Ghosts | Placebo | Album | | Hut Recordings, Astralwerks | 724359563824, ASW 956.38 |
| 2.5 | 20th Century Boy | 3:41 | Placebo | Sleeping With Ghosts | Placebo | Album | | Virgin , Elevator Music | 724359366524, CDFLOORX 17 |
| 2.5 | 20th Century Boy | 3:41 | Placebo | Sleeping With Ghosts | Placebo | Album | | Virgin | 724359366524 |
| 2.5 | 20th Century Boy | 3:41 | Placebo | Sleeping With Ghosts | Placebo | Album | | Virgin Records | |
| 2.5 | 20th Century Boy | 3:41 | Placebo | Sleeping With Ghosts | Placebo | Album | | Hut Recordings, Virgin , Elevator Music | 724359351223, CDFLOORX 17 |
| 2.5 | 20th Century Boy | 3:41 | Placebo | Sleeping With Ghosts | Placebo | Album | | Virgin | 7243 5767892 6 |
| 1.8 | 20th Century Boy | 3:38 | Placebo | The Best Beer Drinking Songs in the World... Ever! Volume 5: The Last Shout | Various Artists | Album + Compilation | | EMI Music New Zealand | 5772082 |
| 1.5 | 20th Century Boy | 3:40 | Placebo | Covers | Placebo | Album + Compilation | | Virgin | |
| 1.11 | 20th Century Boy | 3:40 | Placebo | Glam Revolution | Various Artists | Album + Compilation | | Starbucks Entertainment | |
| 5.5 | 20th Century Boy | 3:41 | Placebo | The Hut Recordings | Placebo | Album + Compilation | | Virgin | 50999 965526 2 9 |
| 1.5 | 20th Century Boy | 3:41 | Placebo | Covers | Placebo | Album + Compilation | | Virgin , Elevator Music | 00946 3 90709 2 3, CDFLOOR 17 |
| 1.5 | 20th Century Boy | 3:41 | Placebo | Covers | Placebo | Album + Compilation | | Elevator Lady Ltd. | |
| Promotion |
|---|
| 1.1 | Twentieth Century Boy | 3:39 | Placebo | Twentieth Century Boy | Placebo | Single | | London Records | glam1 |
| Bootleg |
|---|
| 1.3 | 20th Century Boy | 3:40 | Placebo | B Sides & Remixes | Placebo | Album + Compilation | | | |