List of best-selling singles and albums of 2001 in Ireland

1. "I'm a Slave 4 U" - Britney Spears
2. "It Wasn't Me" - Shaggy
3. "Uptown Girl" - Westlife
4. "Hey Baby" - DJ Ötzi
5. "Teenage Dirtbag" - Wheatus
6. "It's Raining Men" - Geri Halliwell
7. "Can't Get You Out of My Head" - Kylie Minogue
8. "Whole Again" - Atomic Kitten
9. "Don't Stop Movin'" - S Club 7
10. "Lady Marmalade" - Christina Aguilera, Lil' Kim, Mýa, Pink and Missy Elliott

1. Britney - Britney Spears
2. Swing When You're Winning - Robbie Williams
3. World of Our Own - Westlife
4. Survivor - Destiny's Child
5. All That You Can't Leave Behind - U2
6. White Ladder - David Grey
7. Just Enough Education to Perform - Stereophonics
8. Dreams Can Come True, Greatest Hits Vol. 1 - Gabrielle
9. This Is the Day - Christy Moore
10. Hybrid Theory - Linkin Park

Notes:

• *Compilation albums are not included.

• List of songs that reached number one on the Irish Singles Chart
• List of artists who reached number one in Ireland

• IRMA Official Site

• IRMA Official Site
• Top40-Charts - Ireland Top 20