The following lists the top 25 singles of 2015 in Australia from the Australian Recording Industry Association (ARIA) end-of-year singles chart.
[1] Mark Ronson's track "Uptown Funk", featuring Bruno Mars, was the highest selling single in Australia in 2015 with a sales accreditation of nine times platinum.
It spent two weeks at number one, 15 weeks in the top 10, and did not leave the top 100 for the entire year.
[2] Sia's "Elastic Heart" was the highest selling Australian song.