List of number-one albums of 2019 (Australia)
The ARIA Albums Chart ranks the best-performing albums and extended plays in Australia. Its data, published by the Australian Recording Industry Association, is based collectively on the weekly physical and digital sales of albums and EPs. In 2019, 27 albums claimed the top spot; the for the 2018 film Bohemian Rhapsody by Queen was the first number one of the year. Five acts, Dean Lewis, Billie Eilish, BTS, Conrad Sewell and Luke Combs, reached the top spot for the first time.
Chart history
| Date | Album | Artist | Ref. |
| 7 January | ' | Queen | |
| 14 January | ' | Queen | |
| 21 January | ' | Queen | |
| 28 January | ' | Queen | |
| 4 February | Amo | Bring Me the Horizon | |
| 11 February | A Star Is Born | Lady Gaga and Bradley Cooper | |
| 18 February | Thank U, Next | Ariana Grande | |
| 25 February | Thank U, Next | Ariana Grande | |
| 4 March | The Great Expanse | Hilltop Hoods | |
| 11 March | Thank U, Next | Ariana Grande | |
| 18 March | Thank U, Next | Ariana Grande | |
| 25 March | Thank U, Next | Ariana Grande | |
| 1 April | A Place We Knew | Dean Lewis | |
| 8 April | When We All Fall Asleep, Where Do We Go? | Billie Eilish | |
| 15 April | When We All Fall Asleep, Where Do We Go? | Billie Eilish | |
| 22 April | ' | BTS | |
| 29 April | When We All Fall Asleep, Where Do We Go? | Billie Eilish | |
| 6 May | Hurts 2B Human | Pink | |
| 13 May | Hurts 2B Human | Pink | |
| 20 May | Hurts 2B Human | Pink | |
| 27 May | Life | Conrad Sewell | |
| 3 June | When We All Fall Asleep, Where Do We Go? | Billie Eilish | |
| 10 June | My Criminal Record | Jimmy Barnes | |
| 17 June | When We All Fall Asleep, Where Do We Go? | Billie Eilish | |
| 24 June | Western Stars | Bruce Springsteen | |
| 1 July | When We All Fall Asleep, Where Do We Go? | Billie Eilish | |
| 8 July | ' | Kylie Minogue | |
| 15 July | When We All Fall Asleep, Where Do We Go? | Billie Eilish | |
| 22 July | No.6 Collaborations Project | Ed Sheeran | |
| 29 July | No.6 Collaborations Project | Ed Sheeran | |
| 5 August | No.6 Collaborations Project | Ed Sheeran | |
| 12 August | No.6 Collaborations Project | Ed Sheeran | |
| 19 August | We Are Not Your Kind | Slipknot | |
| 26 August | No.6 Collaborations Project | Ed Sheeran | |
| 2 September | Lover | Taylor Swift | |
| 9 September | Fear Inoculum | Tool | |
| 16 September | Hollywood's Bleeding | Post Malone | |
| 23 September | Hollywood's Bleeding | Post Malone | |
| 30 September | Hollywood's Bleeding | Post Malone | |
| 7 October | Hollywood's Bleeding | Post Malone | |
| 14 October | Hollywood's Bleeding | Post Malone | |
| 21 October | Hollywood's Bleeding | Post Malone | |
| 28 October | Hilda | Jessica Mauboy | |
| 4 November | Jesus Is King | Kanye West | |
| 11 November | Jesus Is King | Kanye West | |
| 18 November | What You See Is What You Get | Luke Combs | |
| 25 November | Paul Kelly | ||
| 2 December | Everyday Life | Coldplay | |
| 9 December | The Christmas Present | Robbie Williams | |
| 16 December | Blood Moon | Cold Chisel | |
| 23 December | Fine Line | Harry Styles | |
| 30 December | Christmas | Michael Bublé |