These are The Official UK Charts Company UK Official Rock Chart number one hits of 2008.
| Week ending | Song | Artist |
|---|---|---|
| 6 January | "Rock Star" | Nickelback |
| 13 January | ||
| 20 January | ||
| 27 January | ||
| 3 February | ||
| 10 February | ||
| 17 February | ||
| 24 February | ||
| 2 March | ||
| 9 March | ||
| 16 March | "Stop & Stare" | OneRepublic |
| 23 March | ||
| 30 March | "Rock Star" | Nickelback |
| 6 April | "Always Where I Need to Be" | The Kooks |
| 13 April | ||
| 20 April | "The Age Of The Understatement" | Last Shadow Puppets |
| 27 April | "Rock Star" | Nickelback |
| 4 May | ||
| 11 May | "Violet Hill" | Coldplay |
| 18 May | ||
| 25 May | ||
| 1 June | ||
| 8 June | ||
| 15 June | ||
| 22 June | "Viva la Vida" | |
| 29 June | ||
| 06 July | ||
| 13 July | "All Summer Long" | Kid Rock |
| 20 July | ||
| 27 July | ||
| 3 August | ||
| 10 August | ||
| 17 August | ||
| 1 September | ||
| 7 September | ||
| 14 September | "C-lebrity" | Queen + Paul Rodgers |
| 28 September | "All Summer Long" | Kid Rock |
| 5 October | ||
| 12 October | ||
| 19 October | ||
| 26 October | ||
| 2 November | ||
| 9 November | "We Can Breathe In Space, They Just Don't Want Us To Escape" | Enter Shikari |
| 16 November | ||
| 23 November | "Gotta Be Somebody" | Nickelback |
| 30 November | ||
| 7 December | ||
| 14 December | "Smile Pretty For The Devil" | Children of Bodom |
| 21 December | "All Summer Long" | Kid Rock |
| 28 December | "Hand of Blood" | Bullet For My Valentine |
|
|
|||||