List of number-one albums of 2012 (Ireland)
# List of number-one albums of 2012 (Ireland)

The Irish Albums Chart is a record chart compiled by Chart-Track on behalf of the Irish Recorded Music Association. The chart week runs from Friday to Thursday.

| Issue date | Album | Artist |
| - | - | - |
| 5 January | 21 | Adele |
| 12 January | 21 | Adele |
| 19 January | 21 | Adele |
| 26 January | 21 | Adele |
| 2 February | Born to Die | Lana Del Rey |
| 9 February | Born to Die | Lana Del Rey |
| 16 February | Born to Die | Lana Del Rey |
| 23 February | The Ultimate Collection | Whitney Houston |
| 1 March | 21 | Adele |
| 8 March | Wrecking Ball | Bruce Springsteen |
| 15 March | Wrecking Ball | Bruce Springsteen |
| 22 March | Wrecking Ball | Bruce Springsteen |
| 29 March | MDNA | Madonna |
| 5 April | Red to Blue | Mick Flannery |
| 12 April | Red to Blue | Mick Flannery |
| 19 April | Red to Blue | Mick Flannery |
| 26 April | Nudie Books and Frenchies | Aslan |
| 3 May | Electra Heart | Marina and the Diamonds |
| 10 May | Strangeland | Keane |
| 17 May | Electra Heart | Marina and the Diamonds |
| 24 May | Up All Night | One Direction |
| 31 May | Valtari | Sigur Rós |
| 7 June | + | Ed Sheeran |
| 14 June | Number Ones | Bee Gees |
| 21 June | Believe | Justin Bieber |
| 28 June | Young Love | Jedward |
| 5 July | Young Love | Jedward |
| 12 July | Ceremonials | Florence and the Machine |
| 19 July | Wrecking Ball | Bruce Springsteen |
| 26 July | Greatest Hits | Bruce Springsteen & The E Street Band |
| 2 August | 21 | Adele |
| 9 August | + | Ed Sheeran |
| 16 August | Ryan O'Shaughnessy | Ryan O'Shaughnessy |
| 23 August | Ryan O'Shaughnessy | Ryan O'Shaughnessy |
| 30 August | My Head Is an Animal | Of Monsters and Men |
| 6 September | Beacon | Two Door Cinema Club |
| 13 September | #3 | The Script |
| 20 September | Battle Born | The Killers |
| 27 September | Babel | Mumford & Sons |
| 4 October | Babel | Mumford & Sons |
| 11 October | Babel | Mumford & Sons |
| 18 October | Babel | Mumford & Sons |
| 25 October | Red | Taylor Swift |
| 1 November | Red | Taylor Swift |
| 8 November | Take the Crown | Robbie Williams |
| 15 November | Take Me Home | One Direction |
| 22 November | Take Me Home | One Direction |
| 29 November | Take Me Home | One Direction |
| 6 December | Take Me Home | One Direction |
| 13 December | Take Me Home | One Direction |
| 20 December | Take Me Home | One Direction |
| 27 December | Unapologetic | Rihanna |
