Singles
- Below is a list of notable singles released by Irish artists in Ireland in 2005.
- This list of songs or music-related items is incomplete; you can help by expanding it.
| Issue date | Song title | Artist | Source | Sales | Notes |
| 28 January | "Sideways Down" | The Frames | |||
| 7 February | "Sometimes You Can't Make It on Your Own" | U2 | |||
| 6 June | "City of Blinding Lights" | U2 | |||
| 17 June | "Unplayed Piano" | Damien Rice feat. Lisa Hannigan | |||
| __ June | "She's Gone" | JJ72 | |||
| __ August | "Coming Home" | JJ72 | |||
| 30 September | "Bigger Than Me" | Bell X1 | |||
| 11 October | "All Because of You" | U2 | |||
| 24 October | "Freewheel" | Duke Special | |||
| __ November | "Original of the Species" | U2 | |||
| 7 November | "Fix The Cracks" | Humanzi |
Date unknown
- "Happy Sad" - Gemma Hayes (??? 2005)
- "All Is Violent, All Is Bright" - God Is an Astronaut (??? 2005)
- "Feel the Machine" - The Chalets (??? 2005)
- "No Style" - The Chalets (??? 2005)
- "The Irish Keep Gate-crashing" - The Thrills (??? 2005)
Read more about this topic: 2005 In Irish Music