These are the number-one singles of 2007 in the Australian ARIA singles chart.
| Date | Song | Artist | Album | |
|---|---|---|---|---|
| January | 7 | "Irreplaceable" | Beyoncé | B'Day |
| 14 | ||||
| 21 | "Light Surrounding You" | Evermore | Real Life | |
| 28 | "Lips of an Angel" | Hinder | Extreme Behavior | |
| February | 4 | |||
| 11 | ||||
| 18 | ||||
| 25 | ||||
| March | 4 | |||
| 11 | ||||
| 18 | "Straight Lines" | Silverchair | Young Modern | |
| 25 | ||||
| April | 1 | |||
| 8 | ||||
| 15 | "Girlfriend" | Avril Lavigne | The Best Damn Thing | |
| 22 | "Steer" | Missy Higgins | On a Clear Night | |
| 29 | "Girlfriend" | Avril Lavigne | The Best Damn Thing | |
| May | 6 | |||
| 13 | ||||
| 20 | ||||
| 27 | ||||
| June | 3 | "Umbrella" | Rihanna featuring Jay-Z | Good Girl Gone Bad |
| 10 | ||||
| 17 | ||||
| 24 | ||||
| July | 1 | |||
| 8 | ||||
| 15 | 'Big Girls Don't Cry" | Fergie | The Dutchess | |
| 22 | ||||
| 29 | ||||
| August | 5 | |||
| 12 | ||||
| 19 | ||||
| 26 | ||||
| September | 2 | |||
| 9 | ||||
| 16 | "Beautiful Girls" | Sean Kingston | Sean Kingston | |
| 23 | "In This Life" | Delta Goodrem | Delta | |
| 30 | "Beautiful Girls" | Sean Kingston | Sean Kingston | |
| October | 7 | |||
| 14 | ||||
| 21 | ||||
| 28 | "The Way I Are" | Timbaland featuring Keri Hilson, D.O.E. and Sebastian | Shock Value | |
| November | 4 | |||
| 11 | "Hook Me Up" | The Veronicas | Hook Me Up | |
| 18 | "2 Hearts" | Kylie Minogue | X | |
| 25 | "Apologize" | Timbaland featuring OneRepublic | Shock Value | |
| December | 2 | |||
| 9 | ||||
| 16 | ||||
| 23 | ||||
| 30 | ||||
| Position | Nationality | Artist | Weeks #1 |
|---|---|---|---|
| 1 | USA | Timbaland | 8 |
| 2 | CAN | Avril Lavigne | 6 |
| 3 | USA | Beyonce | 2 |
| 3 | AUS | Delta Goodrem | 2 |
| 4 | AUS | Evermore | 1 |
| 4 | AUS | Kylie Minogue | 1 |
| 4 | AUS | Missy Higgins | 1 |
| 4 | AUS | The Veronica | 1 |
| 6 | USA | Fergie | 9 |
| 7 | USA | Hinder | 5 |
| 7 | USA | Sean Kingston | 5 |
| 4 | USA | Rihanna | 6 |
| 4 | AUS | Silverchair | 4 |
| 4 | AUS | The Veronica | 1 |
| 3 | USA | D.O.E. (as featuring) | 2 |
| 4 | USA | Jay-Z (as featuring) | 6 |
| 3 | USA | Keri Hilson (as featuring) | 2 |
| 4 | USA | OneRepublic (as featuring) | 6 |
| 3 | USA | Sebastian (as featuring) | 2 |
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