# List of number-one digital tracks of 2011 (Australia)

The ARIA Digital Track Chart is a chart that ranks the best-performing digital tracks singles of Australia. It is published by Australian Recording Industry Association (ARIA), an organisation who collect music data for the weekly ARIA Charts. To be eligible to appear on the chart, the recording must be a single not an EP and only paid downloads counted from downloadable outlets.

## Chart history

Key :
| † | Indicates number-one digital single of 2011 |
| Issue date | Song | Artist(s) |
| 3 January | "Grenade" | Bruno Mars |
| 10 January | "Who's That Girl" | Guy Sebastian featuring Eve |
| 17 January | "Dirty Talk" | Wynter Gordon |
| 24 January | "Dirty Talk" | Wynter Gordon |
| 31 January | "Dirty Talk" | Wynter Gordon |
| 7 February | "S&M" | Rihanna |
| 14 February | "S&M" | Rihanna |
| 21 February | "Born This Way" | Lady Gaga |
| 28 February | "S&M" | Rihanna |
| 7 March | "S&M" | Rihanna |
| 14 March | "S&M" | Rihanna |
| 21 March | "On the Floor" | Jennifer Lopez featuring Pitbull |
| 28 March | "On the Floor" | Jennifer Lopez featuring Pitbull |
| 4 April | "On the Floor" | Jennifer Lopez featuring Pitbull |
| 11 April | "Sweat" | Snoop Dogg vs. David Guetta |
| 18 April | "Party Rock Anthem"† | LMFAO featuring Lauren Bennett and GoonRock |
| 25 April | "Party Rock Anthem"† | LMFAO featuring Lauren Bennett and GoonRock |
| 2 May | "Party Rock Anthem"† | LMFAO featuring Lauren Bennett and GoonRock |
| 9 May | "Party Rock Anthem"† | LMFAO featuring Lauren Bennett and GoonRock |
| 16 May | "Party Rock Anthem"† | LMFAO featuring Lauren Bennett and GoonRock |
| 23 May | "Party Rock Anthem"† | LMFAO featuring Lauren Bennett and GoonRock |
| 30 May | "Party Rock Anthem"† | LMFAO featuring Lauren Bennett and GoonRock |
| 6 June | "Party Rock Anthem"† | LMFAO featuring Lauren Bennett and GoonRock |
| 13 June | "Party Rock Anthem"† | LMFAO featuring Lauren Bennett and GoonRock |
| 20 June | "Party Rock Anthem"† | LMFAO featuring Lauren Bennett and GoonRock |
| 27 June | "Someone Like You" | Adele |
| 4 July | "Someone Like You" | Adele |
| 11 July | "Someone Like You" | Adele |
| 18 July | "Someone Like You" | Adele |
| 25 July | "Someone Like You" | Adele |
| 1 August | "Someone Like You" | Adele |
| 8 August | "Moves Like Jagger" | Maroon 5 featuring Christina Aguilera |
| 15 August | "Somebody That I Used to Know" | Gotye featuring Kimbra |
| 22 August | "Somebody That I Used to Know" | Gotye featuring Kimbra |
| 29 August | "Somebody That I Used to Know" | Gotye featuring Kimbra |
| 5 September | "Somebody That I Used to Know" | Gotye featuring Kimbra |
| 12 September | "Somebody That I Used to Know" | Gotye featuring Kimbra |
| 19 September | "Somebody That I Used to Know" | Gotye featuring Kimbra |
| 26 September | "Somebody That I Used to Know" | Gotye featuring Kimbra |
| 3 October | "Somebody That I Used to Know" | Gotye featuring Kimbra |
| 10 October | "Mr. Know It All" | Kelly Clarkson |
| 17 October | "Sexy and I Know It" | LMFAO |
| 24 October | "Sexy and I Know It" | LMFAO |
| 31 October | "Sexy and I Know It" | LMFAO |
| 7 November | "Sexy and I Know It" | LMFAO |
| 14 November | "Sexy and I Know It" | LMFAO |
| 21 November | "The A Team" | Ed Sheeran |
| 28 November | "Good Night" | Reece Mastin |
| 5 December | "Good Night" | Reece Mastin |
| 12 December | "Sexy and I Know It" | LMFAO |
| 19 December | "Good Night" | Reece Mastin |
| 26 December | "Good Night" | Reece Mastin |

## Number-one artists

| Position | Artist | Weeks at No. 1 |
| 1 | LMFAO | 16 |
| 2 | Gotye | 8 |
| 2 | Kimbra (as featuring) | 8 |
| 3 | Adele | 6 |
| 4 | Rihanna | 5 |
| 5 | Reece Mastin | 4 |
| 6 | Jennifer Lopez | 3 |
| 6 | Pitbull (as featuring) | 3 |
| 6 | Wynter Gordon | 3 |
| 7 | Bruno Mars | 1 |
| 7 | Ed Sheeran | 1 |
| 7 | Eve (as featuring) | 1 |
| 7 | Guy Sebastian | 1 |
| 7 | Lady Gaga | 1 |
| 7 | Maroon 5 | 1 |
| 7 | Christina Aguilera (as featuring) | 1 |
| 7 | David Guetta | 1 |
| 7 | Kelly Clarkson | 1 |
| 7 | Snoop Dogg | 1 |