| 释义 |
- See also
{{unreferenced|date=September 2008}}The following is a list of the IRMAs number-one singles of 1991. | Issue Date | Song | Artist | | 3 January | "The Christmas No 1" | Zig and Zag {{flagicon|Ireland}} | | 10 January | | 17 January | "Sadeness (Part I)" | Enigma | | 24 January | "Do The Bartman" | The Simpsons | | 31 January | | 7 February | | 14 February | | 21 February | | 28 February | | 7 March | | 14 March | | 21 March | | 28 March | "Rhythm of My Heart" | Rod Stewart | | 4 April | "Deep Deep Trouble" | The Simpsons | | 11 April | | 18 April | | 25 April | | 2 May | "The Shoop Shoop Song (It's In His Kiss)" | Cher | | 9 May | | 16 May | | 23 May | | 30 May | | 6 June | | 13 June | "Light My Fire" | The Doors | | 20 June | | 27 June | "Any Dream Will Do" | Jason Donovan | | 4 July | "(Everything I Do) I Do It for You" | Bryan Adams | | 11 July | | 18 July | | 25 July | | 1 August | | 8 August | | 15 August | | 22 August | | 29 August | | 5 September | | 12 September | "Hay Wrap" | Ireland}} | | 19 September | "Don't Cry" | Guns N' Roses | | 26 September | | 3 October | "I'm Too Sexy" | Right Said Fred | | 10 October | "(Everything I Do) I Do It for You" | Bryan Adams | | 17 October | "Always Look On The Bright Side Of Life" | Monty Python | | 24 October | "The Fly" | U2 {{flagicon|Ireland}} | | 31 October | | 7 November | | 14 November | "Zigzagging" | Zig and Zag {{flagicon|Ireland}} | | 21 November | | 28 November | "Black or White" | Michael Jackson | | 5 December | "Zigzagging" | Ireland}} | | 12 December | "Mysterious Ways" | Ireland}} | | 19 December | "Bohemian Rhapsody"/"These Are the Days of Our Lives" | Queen | | 26 December |
- 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)
See also- 1991 in music
- List of artists who reached number one in Ireland
{{Irish Music Charts}} 3 : 1991 in Irish music|1991 record charts|Lists of number-one songs in Ireland |