List of My Chart number ones of 2015

The My Chart ranks the best-performing singles in Australia. Its data is based collectively on the weekly physical and digital sales and streams of singles, as well as Airplay. "Faded" By Alan Walker, which started its chart run on the week of 18 December, spent 15 weeks at number one, longer than any other song. Several artists reached number one for the first time, Including Ellie Goulding, One Direction and Alan Walker.

Chart history
{| class="wikitable plainrowheaders" style="text-align: center" ! scope="col" | Issue date ! Song ! Artist(s) ! scope="row" | January 5 ! scope="row" | January 12 ! scope="row" | January 19 ! scope="row" | January 26 ! scope="row" | February 2 ! scope="row" | February 9 ! scope="row" | February 16 ! scope="row" | February 23 ! scope="row" | March 2 ! scope="row" | March 9 ! scope="row" | March 16 ! scope="row" | March 23 ! scope="row" | March 30
 * Bold songs debuted at number 1.
 * "Firestone"
 * Kygo & Conrad Sewell
 * "Love Me like You Do"
 * Ellie Goulding
 * "Love Me like You Do"
 * Ellie Goulding
 * "Love Me like You Do"
 * Ellie Goulding
 * "Love Me like You Do"
 * Ellie Goulding
 * "Love Me like You Do"
 * Ellie Goulding
 * "Love Me like You Do"
 * Ellie Goulding
 * "Love Me like You Do"
 * Ellie Goulding
 * "Cheerleader"
 * OMI
 * "Cheerleader"
 * OMI
 * "Love Me like You Do"
 * Ellie Goulding
 * "Lean On"
 * Major Lazer, DJ Snake & MØ
 * "Lean On"
 * Major Lazer, DJ Snake & MØ

! scope="row" | April 6 ! scope="row" | April 13 ! scope="row" | April 20 ! scope="row" | April 27 ! scope="row" | May 4 ! scope="row" | May 11 ! scope="row" | May 18 ! scope="row" | May 25 ! scope="row" | June 1 ! scope="row" | June 8 ! scope="row" | June 15 ! scope="row" | June 22 ! scope="row" | June 29 ! scope="row" | July 6 ! scope="row" | July 13 ! scope="row" | July 20 ! scope="row" | August 3 ! scope="row" | August 10 ! scope="row" | August 17 ! scope="row" | August 24 ! scope="row" | August 31 ! scope="row" | September 7 ! scope="row" | September 14 ! scope="row" | September 21 ! scope="row" | September 28 ! scope="row" | October 5 ! scope="row" | October 12 ! scope="row" | October 19 ! scope="row" | October 26 ! scope="row" | November 2 ! scope="row" | November 9 ! scope="row" | November 16 ! scope="row" | November 30 ! scope="row" | December 7 ! scope="row" | December 14 ! scope="row" | December 21 ! scope="row" | December 28
 * "Lean On"
 * Major Lazer, DJ Snake & MØ
 * "See You Again"
 * Wiz Khalifa Featuring: Charlie Puth
 * "See You Again"
 * Wiz Khalifa Featuring: Charlie Puth
 * "See You Again"
 * Wiz Khalifa Featuring: Charlie Puth
 * "See You Again"
 * Wiz Khalifa Featuring: Charlie Puth
 * "See You Again"
 * Wiz Khalifa Featuring: Charlie Puth
 * "See You Again"
 * Wiz Khalifa Featuring: Charlie Puth
 * "See You Again"
 * Wiz Khalifa Featuring: Charlie Puth
 * "Bad Blood"
 * Taylor Swift Featuring: Kendrick Lamar
 * "Bad Blood"
 * Taylor Swift Featuring: Kendrick Lamar
 * "Bad Blood"
 * Taylor Swift Featuring: Kendrick Lamar
 * "Start Again"
 * Conrad Sewell
 * style="background-color:#FFFF99"| "Like I'm Gonna Lose You"
 * Meghan Trainor Featuring: John Legend
 * style="background-color:#FFFF99"|"Like I'm Gonna Lose You"
 * Meghan Trainor Featuring: John Legend
 * style="background-color:#FFFF99"| "Like I'm Gonna Lose You"
 * Meghan Trainor Featuring: John Legend
 * style="background-color:#FFFF99"|"Like I'm Gonna Lose You"
 * Meghan Trainor Featuring: John Legend
 * style="background-color:#FFFF99"|"Like I'm Gonna Lose You"
 * Meghan Trainor Featuring: John Legend
 * "Drag Me Down"
 * One Direction
 * style="background-color:#FFFF99"| "Like I'm Gonna Lose You"
 * Meghan Trainor Featuring: John Legend
 * style="background-color:#FFFF99"|"Like I'm Gonna Lose You"
 * Meghan Trainor Featuring: John Legend
 * "How Deep Is Your Love"
 * Calvin Harris Featuring: Disciples
 * "How Deep Is Your Love"
 * Calvin Harris Featuring: Disciples
 * "What Do You Mean?"
 * Justin Bieber
 * "What Do You Mean?"
 * Justin Bieber
 * "What Do You Mean?"
 * Justin Bieber
 * "I Took a Pill in Ibiza"
 * Mike Posner
 * "I Took a Pill in Ibiza"
 * Mike Posner
 * "I Took a Pill in Ibiza"
 * Mike Posner
 * "I Took a Pill in Ibiza"
 * Mike Posner
 * "Hello"
 * Adele
 * "Hello"
 * Adele
 * "Hello"
 * Adele
 * "Hello"
 * Adele
 * "Hello"
 * Adele
 * "Hello"
 * Adele
 * "Hello"
 * Adele
 * "Faded"
 * Alan Walker