List of number-one singles of 2009 (Ireland)

This list of number-one hits in Ireland in 2009. It was the year of 19 number-one singles and 23 number-one albums.

• Alexandra Burke - Hallelujah 4 weeks ( 18 December 2008 - 14 January 2009 )

• 5 weeks ( January 15-February 18 )

• 2 weeks ( 26 February to 11 March, total of 3 weeks)

• 3 weeks ( March 19-April 8 )

• 2 weeks ( April 9 to April 22 )

• 5 weeks ( May 7 to June 10 )

• 2 weeks ( July 2 to July 15, a total of 3 weeks)

• 6 weeks ( 16 July to 26 August, a total of 12 weeks)

• 6 weeks ( 3 September to 14 October, a total of 12 weeks)

• 4 weeks ( 22 October to 18 November )

• 3 weeks ( November 19 to December 9 )

• 4 weeks ( 17 December 2009 - 13 January 2010 )

• Take That - The Circus 4 weeks (11 December 2008 - 7th January 2009)

• 2 weeks ( January 8 to January 21 )

• 2 weeks ( 29 January to 11 February )

• 2 weeks ( 12 February to 25 February, a total of 8 weeks, see 2010)

• 2 weeks ( March 5 to March 18 )

• 4 weeks ( April 23 to May 20 )

• 3 weeks ( May 21-June 10 )

• 2 weeks ( June 18-July 1 )

• 6 weeks ( July 2 to August 12 )

• 2 weeks ( August 13 to August 26, a total of 9 weeks, see 2008)

• 2 weeks ( September 3 to September 16, a total of 9 weeks)

• 3 weeks ( 22 October to 11 November, a total of 7 weeks, see 2010)

• 2 weeks ( November 12 to November 25 )

• 3 weeks ( November 26 to December 16 )

• 3 weeks ( 17 December 2009 - January 6, 2010, a total of 7 weeks)