# List of UK R&B Singles Chart number ones of 2005

The UK R&B Chart is a weekly chart that ranks the 40 biggest-selling singles and albums that are classified in the R&B genre in the United Kingdom. The chart is compiled by the Official Charts Company, and is based on physical and other physical formats. This is a list of the UK's biggest R&B hits of 2005.

## Number ones

Key :
| † | Best-selling R&B single of the year |
| Issue date | Single | Artist |
| 2 January | "You Can Do It" | Ice Cube featuring Mack 10 and Ms. Toi |
| 9 January | "Numb/Encore" | Linkin Park and Jay-Z |
| 16 January | "Numb/Encore" | Linkin Park and Jay-Z |
| 23 January | "Goodies" | Ciara featuring Petey Pablo |
| 30 January | "Only U" | Ashanti |
| 6 February | "Like Toy Soldiers" | Eminem |
| 13 February | "Like Toy Soldiers" | Eminem |
| 20 February | "Get Right" | Jennifer Lopez |
| 27 February | "Over and Over" | Nelly featuring Tim McGraw |
| 6 March | "Over and Over" | Nelly featuring Tim McGraw |
| 13 March | "Over and Over" | Nelly featuring Tim McGraw |
| 20 March | "Rich Girl" | Gwen Stefani featuring Eve |
| 27 March | "Let Me Love You" | Mario |
| 3 April | "Let Me Love You" | Mario |
| 10 April | "Let Me Love You" | Mario |
| 17 April | "1, 2 Step" | Ciara featuring Missy Elliott |
| 24 April | "1, 2 Step" | Ciara featuring Missy Elliott |
| 1 May | "Signs" | Snoop Dogg featuring Charlie Wilson and Justin Timberlake |
| 8 May | "Lonely" | Akon |
| 15 May | "Lonely" | Akon |
| 22 May | "Lonely" | Akon |
| 29 May | "1 Thing" | Amerie |
| 5 June | "1 Thing" | Amerie |
| 12 June | "Feels Just Like It Should" | Jamiroquai |
| 19 June | "Lonely" | Akon |
| 26 June | "Ghetto Gospel" | 2Pac featuring Elton John |
| 3 July | "Ghetto Gospel" | 2Pac featuring Elton John |
| 10 July | "We Belong Together" | Mariah Carey |
| 17 July | "Ghetto Gospel" | 2Pac featuring Elton John |
| 24 July | "Ghetto Gospel" | 2Pac featuring Elton John |
| 31 July | "Ghetto Gospel" | 2Pac featuring Elton John |
| 7 August | "Oh" | Ciara featuring Ludacris |
| 14 August | "All the Way" | Craig David |
| 21 August | "Belly Dancer (Bananza)" | Akon |
| 28 August | "Don't Lie" | The Black Eyed Peas |
| 4 September | "Don't Lie" | The Black Eyed Peas |
| 11 September | "Don't Cha" featuring Busta Rhymes † | The Pussycat Dolls |
| 18 September | "Don't Cha" featuring Busta Rhymes † | The Pussycat Dolls |
| 25 September | "Don't Cha" featuring Busta Rhymes † | The Pussycat Dolls |
| 2 October | "Don't Cha" featuring Busta Rhymes † | The Pussycat Dolls |
| 9 October | "Don't Cha" featuring Busta Rhymes † | The Pussycat Dolls |
| 16 October | "Don't Cha" featuring Busta Rhymes † | The Pussycat Dolls |
| 23 October | "Don't Cha" featuring Busta Rhymes † | The Pussycat Dolls |
| 30 October | "Don't Cha" featuring Busta Rhymes † | The Pussycat Dolls |
| 6 November | "Can I Have It Like That" | Pharrell Williams featuring Gwen Stefani |
| 13 November | "Don't Love You No More (I'm Sorry)" | Craig David |
| 20 November | "My Humps" | The Black Eyed Peas |
| 27 November | "My Humps" | The Black Eyed Peas |
| 4 December | "Stickwitu" | The Pussycat Dolls |
| 11 December | "Stickwitu" | The Pussycat Dolls |
| 18 December | "Stickwitu" | The Pussycat Dolls |
| 25 December | "When I'm Gone" | Eminem |