List of number-one singles of 2000 (Ireland)
This list of number-one hits in Ireland in 2000. It was the year of 19 number-one singles.
- Westlife - I Have a Dream / Seasons In The Sun 5 weeks (December 18, 1999 - January 19, 2000 )
- 2 weeks ( January 20-February 2 )
- 4 weeks ( May 11-June 7 )
- 5 weeks ( June 8-July 12 )
- 2 weeks ( July 20-August 2 )
- 4 weeks ( August 3 to August 30 )
- 2 weeks ( August 31 to September 13 )
- 3 weeks ( October 12 to November 1 )
- 3 weeks ( November 2 to November 22 )
- 2 weeks ( November 23 to December 6 )
- 6 weeks (December 7, 2000 - January 17, 2001 )