List of number-one singles of 2017 (Australia)
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{{Use Australian English|date=December 2016}}
{{Use dmy dates|date=December 2016}}
{{Infobox record charts}}
File:Ed Sheeran at Wembley 3 (19050650853).jpg spent 15 weeks at number-one with "Shape of You", becoming the longest-topping single since the ARIA Charts began in 1988, followed by another three weeks with "Perfect". 2017 brought Sheeran's second pair of topping singles, after "Sing" and "Thinking Out Loud" in 2014.]]
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| footer = Luis Fonsi (left) and Daddy Yankee (right) topped the chart for 13 weeks with "Despacito", as the first Puerto Rican artists to top, with the first song sung primarily in Spanish to do so since Los del Río's "Macarena" in 1996.
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| image1 = Luis Fonsi 2015 (cropped).JPG
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| image2 = DaddyYankee.jpg
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File:Post Malone 2018.jpg (pictured) and 21 Savage earned their first Australian number-one with "Rockstar", topping the chart for seven consecutive weeks.]]
File:Swift outside Letterman studio 2.jpg earned her fourth number 1 with her single "Look What You Made Me Do" which debuted at number 1 in September 2017.]]
File:Camila Cabello Grammy 2017.png earned her first number 1 with her single "Havana" which features a rap verse from American rapper Young Thug. It spent three weeks at number 1.]]
The ARIA Singles Chart ranks the best-performing singles in Australia. Its data, published by the Australian Recording Industry Association, is based collectively on the weekly physical and digital sales and streams of singles.{{cite web|url=http://aria.com.au/pages/aria-charts-faqs.htm#q1|title=Chart FAQs|publisher=Australian Recording Industry Association|access-date=31 December 2016}}{{cite web|url=http://www.smh.com.au/entertainment/music/aria-to-include-streaming-in-charts-20141104-11gzwn.html|title=ARIA to include streaming in charts|work=The Sydney Morning Herald|last=White|first=Dominic|date=5 November 2014|access-date=31 August 2017}} In 2017, eleven singles claimed the top spot, including Clean Bandit's "Rockabye", which started its peak position in 2016, and Ed Sheeran's "Shape of You", which spent 15 non-consecutive weeks at number one, breaking the long-standing record in chart history previously held by ABBA's "Fernando in 1976. Twelve acts, Harry Styles, DJ Khaled, Quavo, Chance the Rapper, Lil Wayne, Luis Fonsi, Daddy Yankee, Sam Smith, Post Malone, 21 Savage, Camila Cabello and Young Thug, reached the top spot for the first time. Pink achieved her ninth number one with "What About Us",{{cite magazine|url=http://www.billboard.com/articles/columns/chart-beat/7934221/paul-kelly-pink-rule-australia-charts|title=Paul Kelly, Pink Rule Australia's Charts|magazine=Billboard|last=Brandle|first=Lars|date=21 August 2017|access-date=31 August 2017}} and Taylor Swift achieved her fifth number one with "Look What You Made Me Do".{{cite web|url=http://www.noise11.com/news/australian-charts-taylor-swift-owns-the-singles-chart-20170904|title=Australian Charts: Taylor Swift Owns The Singles Chart|publisher=Noise11|last=Ryan|first=Gavin|date=4 September 2017|access-date=9 September 2017}}
Chart history
| class="wikitable" style="font-size:90%;"
|+Key |style="background-color:#FFFF99"|The yellow background indicates the #1 song on ARIA's End of Year Singles Chart of 2017. |
Number-one artists
| class="wikitable"
!style="text-align: center;"| Position !style="text-align: center;"| Artist !style="text-align: center;"| Weeks at No. 1 |
| style="text-align: center;"| 1
|style="text-align: center;"| Ed Sheeran |style="text-align: center;"| 18 |
| style="text-align: center;"| 2
|style="text-align: center;"| Justin Bieber (as featuring) |style="text-align: center;"| 15 |
| style="text-align: center;"| 3
|style="text-align: center;"| Luis Fonsi |style="text-align: center;"| 13 |
| style="text-align: center;"| 3
|style="text-align: center;"| Daddy Yankee |style="text-align: center;"| 13 |
| style="text-align: center;"| 4
|style="text-align: center;"| Post Malone |style="text-align: center;"| 7 |
| style="text-align: center;"| 4
|style="text-align: center;"| 21 Savage (as featuring) |style="text-align: center;"| 7 |
| style="text-align: center;"| 5
|style="text-align: center;"| Camila Cabello |style="text-align: center;"| 3 |
| style="text-align: center;"| 5
|style="text-align: center;"| Young Thug (as featuring) |style="text-align: center;"| 3 |
| style="text-align: center;"| 6
|style="text-align: center;"| Clean Bandit |style="text-align: center;"| 2 |
| style="text-align: center;"| 6
|style="text-align: center;"| Sean Paul (as featuring) |style="text-align: center;"| 2 |
| style="text-align: center;"| 6
|style="text-align: center;"| Anne-Marie (as featuring) |style="text-align: center;"| 2 |
| style="text-align: center;"| 6
|style="text-align: center;"| DJ Khaled |style="text-align: center;"| 2 |
| style="text-align: center;"| 6
|style="text-align: center;"| Quavo (as featuring) |style="text-align: center;"| 2 |
| style="text-align: center;"| 6
|style="text-align: center;"| Chance the Rapper (as featuring) |style="text-align: center;"| 2 |
| style="text-align: center;"| 6
|style="text-align: center;"| Lil Wayne (as featuring) |style="text-align: center;"| 2 |
| style="text-align: center;"| 6
|style="text-align: center;"| Pink |style="text-align: center;"| 2 |
| style="text-align: center;"| 6
|style="text-align: center;"| Taylor Swift |style="text-align: center;"| 2 |
| style="text-align: center;"| 6
|style="text-align: center;"| Sam Smith |style="text-align: center;"| 2 |
| style="text-align: center;"| 7
|style="text-align: center;"| Harry Styles |style="text-align: center;"| 1 |