These are the Australian number-one albums of 2004, per the ARIA Charts.[1] [2]
| The yellow background indicates the #1 album on ARIA's End of Year Albums Chart of 2004. |
| Issue date | Album | Artist | Weeks at number one (total) | |
|---|---|---|---|---|
| 5 January | Just As I Am | 4 weeks | ||
| 12 January | Innocent Eyes | 29 weeks | ||
| 19 January | ||||
| 26 January | Fallen | 3 weeks | ||
| 2 February | ||||
| 9 February | ||||
| 16 February | That's What I'm Talking About | 4 weeks | ||
| 23 February | ||||
| 1 March | ||||
| 8 March | ||||
| 15 March | Sunrise Over Sea | 3 weeks | ||
| 22 March | ||||
| 29 March | Feeler | 4 weeks | ||
| 5 April | ||||
| 12 April | ||||
| 19 April | ||||
| 26 April | Anastacia | 2 weeks | ||
| 3 May | D12 World | 1 Week | ||
| 10 May | Michael Bublé | 2 weeks | ||
| 17 May | bgcolor=#FFFF99 rowspan="2" | Get Born | 2 weeks | |
| 24 May | ||||
| 31 May | Under My Skin | 1 week | ||
| 7 June | Wayward Angel | 5 weeks | ||
| 14 June | ||||
| 21 June | ||||
| 28 June | ||||
| 5 July | ||||
| 12 July | For All You've Done | 1 week | ||
| 19 July | Sunrise Over Sea | The John Butler Trio | 3 weeks | |
| 26 July | Shrek 2 | 1 week | ||
| 2 August | One Determined Heart | 2 weeks | ||
| 9 August | ||||
| 16 August | Anastacia | Anastacia | 2 weeks | |
| 23 August | Elephunk | 1 week | ||
| 30 August | Classified | 1 week | ||
| 6 September | Michael Bublé | Michael Bublé | 2 weeks | |
| 13 September | The Sound of White | 7 weeks | ||
| 20 September | ||||
| 27 September | American Idiot | 2 weeks | ||
| 4 October | ||||
| 11 October | The Chronicles of Life and Death | 1 week | ||
| 18 October | Songs About Jane | 1 week | ||
| 25 October | Greatest Hits | 9 weeks | ||
| 1 November | ||||
| 8 November | ||||
| 15 November | Mistaken Identity | Delta Goodrem | 1 week | |
| 22 November | Encore | 1 week | ||
| 29 November | How to Dismantle an Atomic Bomb | 1 week | ||
| 6 December | Greatest Hits | Robbie Williams | 9 weeks | |
| 13 December | ||||
| 20 December | ||||
| 27 December | ||||