List of number-one singles of 2007 (Ireland)
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This is a list of the Irish Recorded Music Association's Irish Singles Chart Top 50 number-ones of 2007.
| Issue Date | Song | Artist |
|---|---|---|
| 4 January | "A Moment Like This" | Leona Lewis |
| 11 January | ||
| 18 January | ||
| 25 January | ||
| 1 February | "Grace Kelly" | Mika |
| 8 February | ||
| 15 February | ||
| 22 February | ||
| 1 March | ||
| 8 March | ||
| 15 March | ||
| 22 March | "Give Me a Minute" | 21 Demands |
| 29 March | "How To Save A Life" | The Fray |
| 5 April | "Girlfriend" | Avril Lavigne |
| 12 April | ||
| 19 April | "Beautiful Liar" | Beyoncé and Shakira |
| 26 April | "Like Only A Woman Can" | Brian McFadden |
| 3 May | "Beautiful Liar" | Beyoncé and Shakira |
| 10 May | "Girlfriend" | Avril Lavigne |
| 17 May | "Don't Matter" | Akon |
| 24 May | "Umbrella" | Rihanna featuring Jay-Z |
| 31 May | ||
| 7 June | ||
| 14 June | ||
| 21 June | ||
| 28 June | ||
| 5 July | ||
| 12 July | ||
| 19 July | "Big Girls Don't Cry" | Fergie |
| 26 July | "The Way I Are" | Timbaland featuring Keri Hilson |
| 2 August | ||
| 9 August | ||
| 16 August | ||
| 23 August | ||
| 30 August | "Beautiful Girls" | Sean Kingston |
| 6 September | ||
| 13 September | ||
| 20 September | ||
| 27 September | "If That's OK with You" | Shayne Ward |
| 4 October | ||
| 11 October | ||
| 18 October | ||
| 25 October | "Bleeding Love" | Leona Lewis |
| 1 November | ||
| 8 November | ||
| 15 November | ||
| 22 November | ||
| 29 November | ||
| 6 December | ||
| 13 December | ||
| 20 December | "When You Believe" | Leon Jackson |
| 27 December |