# List of number-one singles of 2010 (Australia)

The ARIA Singles Chart ranks the best-performing singles in Australia. Its data, published by the Australian Recording Industry Association, is based collectively on each single's weekly physical and digital sales. In 2010, 17 singles claimed the top spot. Nine acts achieved their first number-one single in Australia, either as a lead or featured artist: Owl City, Iyaz, Jason Derulo, Train, Kevin Rudolf, will.i.am, Taio Cruz, Bruno Mars and Eve. Five collaborations topped the chart. Rihanna earned three number-one singles during the year for "Rude Boy", "Only Girl (In the World)" and "Love the Way You Lie". Mars earned two number-one singles for "Just the Way You Are" and "Grenade".
Usher's "OMG" and Eminem's "Love the Way You Lie" were the longest-running number-one singles of 2010, having each topped the ARIA Singles Chart for six consecutive weeks. Owl City's "Fireflies" topped the chart for five consecutive weeks, while Train's "Hey, Soul Sister", Katy Perry's "California Gurls", Cruz's "Dynamite", and Rihanna's "Only Girl (In the World)" each spent four weeks at the number-one spot.

## Chart history

Key :
* The yellow background indicates the #1 song on ARIA's End of Year Singles Chart of 2010.
| Date | Song | Artist(s) |
| 4 January | "Fireflies" | Owl City |
| 11 January | "Fireflies" | Owl City |
| 18 January | "Fireflies" | Owl City |
| 25 January | "Fireflies" | Owl City |
| 1 February | "Fireflies" | Owl City |
| 8 February | "Replay" | Iyaz |
| 15 February | "Replay" | Iyaz |
| 22 February | "In My Head" | Jason Derulo |
| 1 March | "In My Head" | Jason Derulo |
| 8 March | "Rude Boy" | Rihanna |
| 15 March | "Rude Boy" | Rihanna |
| 22 March | "Hey, Soul Sister" | Train |
| 29 March | "Hey, Soul Sister" | Train |
| 5 April | "Hey, Soul Sister" | Train |
| 12 April | "Hey, Soul Sister" | Train |
| 19 April | "Just Say So" | Brian McFadden featuring Kevin Rudolf |
| 26 April | "Just Say So" | Brian McFadden featuring Kevin Rudolf |
| 3 May | "Just Say So" | Brian McFadden featuring Kevin Rudolf |
| 10 May | "OMG" | Usher featuring will.i.am |
| 17 May | "OMG" | Usher featuring will.i.am |
| 24 May | "OMG" | Usher featuring will.i.am |
| 31 May | "OMG" | Usher featuring will.i.am |
| 7 June | "OMG" | Usher featuring will.i.am |
| 14 June | "OMG" | Usher featuring will.i.am |
| 21 June | "California Gurls" | Katy Perry featuring Snoop Dogg |
| 28 June | "California Gurls" | Katy Perry featuring Snoop Dogg |
| 5 July | "California Gurls" | Katy Perry featuring Snoop Dogg |
| 12 July | "California Gurls" | Katy Perry featuring Snoop Dogg |
| 19 July | "Love the Way You Lie" | Eminem featuring Rihanna |
| 26 July | "Love the Way You Lie" | Eminem featuring Rihanna |
| 2 August | "Love the Way You Lie" | Eminem featuring Rihanna |
| 9 August | "Love the Way You Lie" | Eminem featuring Rihanna |
| 16 August | "Love the Way You Lie" | Eminem featuring Rihanna |
| 23 August | "Love the Way You Lie" | Eminem featuring Rihanna |
| 30 August | "Dynamite" | Taio Cruz |
| 6 September | "Dynamite" | Taio Cruz |
| 13 September | "Dynamite" | Taio Cruz |
| 20 September | "Dynamite" | Taio Cruz |
| 27 September | "Only Girl (In the World)" | Rihanna |
| 4 October | "Only Girl (In the World)" | Rihanna |
| 11 October | "Only Girl (In the World)" | Rihanna |
| 18 October | "Raise Your Glass" | Pink |
| 25 October | "Just the Way You Are" | Bruno Mars |
| 1 November | "Only Girl (In the World)" | Rihanna |
| 8 November | "We R Who We R" | Kesha |
| 15 November | "We R Who We R" | Kesha |
| 22 November | "The Time (Dirty Bit)" | The Black Eyed Peas |
| 29 November | "We R Who We R" | Kesha |
| 6 December | "The Time (Dirty Bit)" | The Black Eyed Peas |
| 13 December | "Grenade" | Bruno Mars |
| 20 December | "Grenade" | Bruno Mars |
| 27 December | "Who's That Girl" | Guy Sebastian featuring Eve |

## Number-one artists

| Position | Artist | Weeks at No. 1 |
| 1 | Rihanna | 12 |
| 2 | Usher | 6 |
| 2 | will.i.am (as featuring) | 6 |
| 2 | Eminem | 6 |
| 3 | Owl City | 5 |
| 4 | Katy Perry | 4 |
| 4 | Snoop Dogg (as featuring) | 4 |
| 4 | Train | 4 |
| 4 | Taio Cruz | 4 |
| 5 | Brian McFadden | 3 |
| 5 | Kevin Rudolf (as featuring) | 3 |
| 5 | Bruno Mars | 3 |
| 5 | Kesha | 3 |
| 6 | Iyaz | 2 |
| 6 | Jason Derulo | 2 |
| 6 | The Black Eyed Peas | 2 |
| 7 | Pink | 1 |
| 7 | Guy Sebastian | 1 |
| 7 | Eve (as featuring) | 1 |