The best selling album in 2001 in Ireland was SWING WHEN YOU'RE WINNING by ROBBIE WILLIAMS.
| Rank | Artist | Album | Released |
| 1 | ROBBIE WILLIAMS | SWING WHEN YOU'RE WINNING | 2001 |
| 2 | DIDO | NO ANGEL | 1999 |
| 3 | WESTLIFE | WORLD OF OUR OWN | 2001 |
| 4 | NOW SERIES (UK) | NOW THAT'S WHAT I CALL MUSIC! 50 | 2001 |
| 5 | DESTINY'S CHILD | SURVIVOR | 2001 |
| 6 | U2 | ALL THAT YOU CAN'T LEAVE BEHIND | 2000 |
| 7 | DAVID GRAY | WHITE LADDER | 1998 |
| 8 | SOUNDTRACK | BRIDGET JONES'S DIARY | 2001 |
| 9 | STEREOPHONICS | JUST ENOUGH EDUCATION TO PERFORM | 2001 |
| 10 | GABRIELLE | DREAMS CAN COME TRUE - GREATEST HITS VOLUME 1 | 2001 |
| 11 | CHRISTY MOORE | THIS IS THE DAY | 2001 |
| 12 | LINKIN PARK | HYBRID THEORY | 2000 |
| 13 | EVA CASSIDY | SONGBIRD | 1998 |
| 14 | TRAVIS | THE INVISIBLE BAND | 2001 |
| 15 | NOW SERIES (UK) | NOW THAT'S WHAT I CALL MUSIC! 49 | 2001 |
| 16 | BILLY JOEL | THE ULTIMATE COLLECTION | 2000 |
| 17 | NOW SERIES (UK) | NOW THAT'S WHAT I CALL MUSIC! 48 | 2001 |
| 18 | COLDPLAY | PARACHUTES | 2000 |
| 19 | LIMP BIZKIT | CHOCOLATE STARFISH AND THE HOT DOG FLAVORED WATER | 2000 |
| 20 | VARIOUS ARTISTS | TOM DUNNE'S 30 BEST IRISH HITS | 2001 |
Source: IRMA