The best selling album in 2011 in Ireland was 21 by ADELE.
| Rank | Artist | Album | Released |
| 1 | ADELE | 21 | 2011 |
| 2 | MICHAEL BUBLÉ | CHRISTMAS | 2011 |
| 3 | NOW SERIES (UK) | NOW THAT'S WHAT I CALL MUSIC! 80 | 2011 |
| 4 | ADELE | 19 | 2008 |
| 5 | BRUNO MARS | DOO-WOPS & HOOLIGANS | 2010 |
| 6 | RIHANNA | LOUD | 2010 |
| 7 | NOW SERIES (UK) | NOW THAT'S WHAT I CALL MUSIC! 79 | 2011 |
| 8 | RIHANNA | TALK THAT TALK | 2011 |
| 9 | WESTLIFE | GREATEST HITS | 2011 |
| 10 | ONE DIRECTION | UP ALL NIGHT | 2011 |
| 11 | NOW SERIES (UK) | NOW THAT'S WHAT I CALL MUSIC! 78 | 2011 |
| 12 | COLDPLAY | MYLO XYLOTO | 2011 |
| 13 | IMELDA MAY | MAYHEM | 2010 |
| 14 | FLORENCE + THE MACHINE | CEREMONIALS | 2011 |
| 15 | MARY BYRNE | MINE & YOURS | 2011 |
| 16 | IMELDA MAY | LOVE TATTOO | 2008 |
| 17 | LADY GAGA | BORN THIS WAY | 2011 |
| 18 | JEDWARD | VICTORY | 2011 |
| 19 | ED SHEERAN | + | 2011 |
| 20 | OLLY MURS | IN CASE YOU DIDN'T KNOW | 2011 |
Source: IRMA