Fat Mattress is the debut self-titled studio album by English folk rock band [a302916], released on 15 August 1969.
| Format | Year | Country | Label | Cat# | |
|---|---|---|---|---|---|
| Vinyl | 1969 | AU | Polydor | 583056 | → |
| Vinyl | 1969 | CA | Polydor | 543.075 | → |
| Other | 1969 | CA | Polydor | 938 442 | → |
| Vinyl | 1969 | DE | Polydor | 184 305 | → |
| Vinyl | 1969 | DE | Polydor | 184 305 | → |
| Vinyl | 1969 | DE | Polydor | 184 305 | → |
| Vinyl | 1969 | FR | Polydor | 658 182 | → |
| Vinyl | 1969 | GB | Polydor | 583 056 | → |
| Other | 1969 | GB | Polydor | 914 711 | → |
| Vinyl | 1969 | IT | Polydor | SLPHM/D 184 305 | → |
| Vinyl | 1969 | NZ | Polydor | 583 056 | → |
| Other | 1969 | US | ATCO Records | X 5309, X5309 | → |
| Vinyl | 1969 | US | ATCO Records | SD 33-309 | → |
| Other | 1969 | US | Polydor | X309 | → |
| Vinyl | 1969 | US | ATCO Records | 33-309 | → |
| Vinyl | 1969 | US | ATCO Records | SD 33-309 | → |
| Vinyl | 1969 | US | ATCO Records | SD 33-309 | → |
| Vinyl | 1969 | US | ATCO Records | SD 33-309 | → |
| Other | 1969 | US | ATCO Records | 309 | → |
| Vinyl | 1969 | US | ATCO Records | SD 33-309 | → |
| Other | 1969 | US | ATCO Records | 8309 | → |
| Vinyl | 1969 | US | ATCO Records | SD 33-309 | → |
| Vinyl | 1969 | US | ATCO Records | SD 33-309 | → |
| Vinyl | 1969 | US | ATCO Records | SD 33-309 | → |
| Other | 1969 | US | ATCO Records | M5309 | → |
| Vinyl | 1969 | US | ATCO Records | SD 33-309 | → |
| Vinyl | 1969 | ZA | Polydor | 277 021 | → |
| Vinyl | 1970 | JP | Polydor | MP 1460 | → |
| Vinyl | 1970 | JP | Polydor | MP 1460 | → |
| Vinyl | 1970 | MX | Polydor | 1184 305 | → |
| Other | 1992 | GB | Sequel Records | NEX CD 196 | → |
| Other | 2000 | RU | Collector's Digitally Recordings | FMCDR-054 | → |
| Other | 2011 | UK & Europe | Esoteric Recordings | ECLEC 2134 | → |
| Vinyl | 2016 | IT | Radiation Reissues | RAD7006 | → |
| Other | 2016 | RU | Esoteric Recordings (4) | ECLEC2134 | → |
| Vinyl | 2021 | UK & Europe | Trading Places | TDP54044 | → |
| Other | — | GB | Sequel Records | NEX CD 196 | → |
| Other | — | US | Sequel Records | 1019-2 | → |