These are The Official UK Charts Company UK Dance Chart number one hits of 2009.[1] [2] [3] The dates listed in the menus below represent the Saturday after the Sunday the chart was announced, as per the way the dates are given in chart publications such as the ones produced by Billboard, Guinness, and Virgin.
| Best-selling dance single of the year |
| Week Ending | Song title | Artist | ||
|---|---|---|---|---|
| 3 January | align=center rowspan=2 | "Pjanoo" | align=center rowspan=2 | Eric Prydz |
| 10 January | ||||
| 17 January | "Infinity 2008" | Guru Josh Project | ||
| 24 January | align=center rowspan=5 | "Day 'n' Nite" | align=center rowspan=5 | Kid Cudi vs. Crookers |
| 31 January | ||||
| 7 February | ||||
| 14 February | ||||
| 21 February | ||||
| 28 February | align=center rowspan=4 | "Omen" | align=center rowspan=4 | The Prodigy |
| 7 March | ||||
| 14 March | ||||
| 21 March | ||||
| 28 March | "Day 'n' Nite" | Kid Cudi vs. Crookers | ||
| 4 April | align=center rowspan=4 | "Show Me Love" | align=center rowspan=4 | Steve Angello & Laidback Luke featuring Robin S |
| 11 April | ||||
| 18 April | ||||
| 25 April | ||||
| 2 May | "Basement Track" | High Contrast | ||
| 9 May | "Day 'n' Nite" | Kid Cudi vs. Crookers | ||
| 16 May | "Show Me Love" | Steve Angello & Laidback Luke featuring Robin S | ||
| 23 May | "Warrior's Dance" | The Prodigy | ||
| 30 May | align=center rowspan=2 bgcolor=#FFFF99 | "Bonkers" | align=center rowspan=2 | Dizzee Rascal & Armand van Helden |
| 6 June | ||||
| 13 June | align=center rowspan=2 | "Warrior's Dance" | align=center rowspan=2 | The Prodigy |
| 20 June | ||||
| 27 June | align=center rowspan=4 | "When Love Takes Over" | align=center rowspan=4 | |
| 4 July | ||||
| 11 July | ||||
| 18 July | ||||
| 25 July | "Red Mist VIP / Fired Up" | Danny Byrd / DJ Friction & K Tee | ||
| 1 August | "I Remember" | Deadmau5 & Kaskade | ||
| 8 August | "Rock It / Follow the Light" | |||
| 15 August | "When Love Takes Over" | David Guetta featuring Kelly Rowland | ||
| 22 August | "One More Chance" | |||
| 29 August | align=center rowspan=2 | "Ready For The Weekend" | align=center rowspan=2 | Calvin Harris |
| 5 September | ||||
| 12 September | align=center rowspan=2 | "Take Me to The Hospital" | align=center rowspan=2 | The Prodigy |
| 19 September | ||||
| 26 September | align=center rowspan=6 | "Celebration" | align=center rowspan=6 | Madonna |
| 3 October | ||||
| 10 October | ||||
| 17 October | ||||
| 24 October | ||||
| 31 October | ||||
| 7 November | align=center rowspan=3 | "aNYway" | align=center rowspan=3 | Armand Van Helden and A-Trak presents Duck Sauce |
| 14 November | ||||
| 21 November | ||||
| 28 November | align=center rowspan=3 | "I Need You" | align=center rowspan=3 | N-Dubz |
| 5 December | ||||
| 12 December | ||||
| 19 December | align=center rowspan=3 | "Let the Bass Kick in Miami Girl" | align=center rowspan=3 | Chuckie and LMFAO |
| 26 December |