List of number-one singles of 1991 (Ireland)

The following is a list of the IRMA's number-one singles of 1991. In 1991, Bryan Adams's "(Everything I Do) I Do It For You" spent 11 weeks at No. 1, while The Simpsons' "Do the Bartman" spent 9 weeks at the top of the chart.


 * 18 number ones
 * Most number ones: Zig and Zag, The Simpsons, U2 (2)
 * Most weeks at number one (artist): The Simpsons (13 weeks)
 * Most weeks at number one (single): "Everything I Do (I Do it for You)" - Bryan Adams (11 weeks)