These are the Australian number-one albums of 2003, per the ARIA Charts.[1] [2]
| The yellow background indicates the #1 album on ARIA's End of Year Albums Chart of 2003. |
| Issue date | Album | Artist | Weeks at number one (total) | |
|---|---|---|---|---|
| 6 January | Let Go | 7 weeks | ||
| 13 January | ||||
| 20 January | ||||
| 27 January | 8 Mile | 2 weeks | ||
| 3 February | ||||
| 10 February | Come Away with Me | 9 weeks | ||
| 17 February | ||||
| 24 February | ||||
| 3 March | ||||
| 10 March | ||||
| 17 March | ||||
| 24 March | ||||
| 31 March | bgcolor=#FFFF99 rowspan="6" | Innocent Eyes | 29 weeks | |
| 7 April | ||||
| 14 April | ||||
| 21 April | ||||
| 28 April | ||||
| 5 May | ||||
| 12 May | Come Away with Me | Norah Jones | 9 weeks | |
| 19 May | ||||
| 26 May | bgcolor=#FFFF99 rowspan="3" | Innocent Eyes | Delta Goodrem | 29 weeks |
| 2 June | ||||
| 9 June | ||||
| 16 June | St. Anger | 2 weeks | ||
| 23 June | ||||
| 30 June | bgcolor=#FFFF99 rowspan="2" | Innocent Eyes | Delta Goodrem | 29 weeks |
| 7 July | ||||
| 14 July | Vulture Street | 3 weeks | ||
| 21 July | ||||
| 28 July | ||||
| 4 August | bgcolor=#FFFF99 rowspan="3" | Innocent Eyes | Delta Goodrem | 29 weeks |
| 11 August | ||||
| 18 August | ||||
| 25 August | The Official Fiction | 1 week | ||
| 1 September | bgcolor=#FFFF99 rowspan="5" | Innocent Eyes | Delta Goodrem | 29 weeks |
| 8 September | ||||
| 15 September | ||||
| 22 September | ||||
| 29 September | ||||
| 6 October | Life for Rent | 2 weeks | ||
| 13 October | ||||
| 20 October | bgcolor=#FFFF99 rowspan="8" | Innocent Eyes | Delta Goodrem | 29 weeks |
| 27 October | ||||
| 3 November | ||||
| 10 November | ||||
| 17 November | ||||
| 24 November | ||||
| 1 December | ||||
| 8 December | ||||
| 15 December | Just As I Am | 4 weeks | ||
| 22 December | ||||
| 29 December | ||||