List of number-one singles of 2002 (Ireland)
The following is a list of the IRMA's number-one singles of 2002.
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| Issue date | Song | Artist |
| 5 January | What If | Kate Winslet |
| 12 January | What If | Kate Winslet |
| 19 January | What If | Kate Winslet |
| 26 January | Get the Party Started | Pink |
| 2 February | Hero | Enrique Iglesias |
| 9 February | Hero | Enrique Iglesias |
| 16 February | There's a Whole Lotta Lovin' | Six  |
| 23 February | There's a Whole Lotta Lovin' | Six |
| 2 March | There's a Whole Lotta Lovin' | Six |
| 9 March | There's a Whole Lotta Lovin' | Six |
| 16 March | Whenever, Wherever | Shakira |
| 23 March | Unchained Melody | Gareth Gates |
| 30 March | Unchained Melody | Gareth Gates |
| 6 April | Unchained Melody | Gareth Gates |
| 13 April | How You Remind Me | Nickelback |
| 20 April | How You Remind Me | Nickelback |
| 27 April | How You Remind Me | Nickelback |
| 4 May | How You Remind Me | Nickelback |
| 11 May | How You Remind Me | Nickelback |
| 18 May | Here Come The Good Times | Ireland World Cup Squad |
| 25 May | Without Me | Eminem |
| 1 June | Without Me | Eminem |
| 8 June | Without Me | Eminem |
| 15 June | A Little Less Conversation | Elvis vs. JXL |
| 22 June | A Little Less Conversation | Elvis vs. JXL |
| 29 June | A Little Less Conversation | Elvis vs. JXL |
| 6 July | Let Me Be The One | Six |
| 13 July | Let Me Be The One | Six |
| 20 July | The Logical Song | Scooter |
| 27 July | Underneath Your Clothes | Shakira |
| 3 August | Underneath Your Clothes | Shakira |
| 10 August | Underneath Your Clothes | Shakira |
| 17 August | Underneath Your Clothes | Shakira |
| 24 August | Like a Prayer | Mad'House |
| 31 August | The Tide Is High | Atomic Kitten |
| 7 September | The Tide Is High | Atomic Kitten |
| 14 September | The Tide Is High | Atomic Kitten |
| 21 September | The Tide Is High | Atomic Kitten |
| 28 September | Complicated | Avril Lavigne |
| 5 October | Complicated | Avril Lavigne |
| 12 October | Aserejé | Las Ketchup |
| 19 October | Dilemma | Nelly featuring Kelly Rowland |
| 25 October | Dilemma | Nelly featuring Kelly Rowland |
| 2 November | Dilemma | Nelly featuring Kelly Rowland |
| 9 November | Unbreakable | Westlife |
| 16 November | Aserejé | Las Ketchup |
| 23 November | Aserejé | Las Ketchup |
| 30 November | Dirrty | Christina Aguilera featuring Redman |
| 7 December | Lose Yourself | Eminem |
| 14 December | Lose Yourself | Eminem |
| 21 December | Lose Yourself | Eminem |
| 28 December | Lose Yourself | Eminem |