# List of Canadian Hot 100 number-one singles of 2015

This is a list of the Canadian Hot 100 number-one singles of 2015. The Canadian Hot 100 is a chart that ranks the best-performing singles of Canada. Its data, published by Billboard magazine and compiled by Nielsen SoundScan, is based collectively on each single's weekly physical and digital sales, as well as airplay and streaming.
Note that Billboard publishes charts with an issue date approximately 7–10 days in advance.

## Chart history

Key :
| † | Indicates best-performing single of 2015 |
| No. | Issue date | Song | Artist(s) |
| 95 | January 3 | "Blank Space" | Taylor Swift |
| 96 | January 10 | "Uptown Funk" † | Mark Ronson featuring Bruno Mars |
| 96 | January 17 | "Uptown Funk" † | Mark Ronson featuring Bruno Mars |
| 96 | January 24 | "Uptown Funk" † | Mark Ronson featuring Bruno Mars |
| 96 | January 31 | "Uptown Funk" † | Mark Ronson featuring Bruno Mars |
| 96 | February 7 | "Uptown Funk" † | Mark Ronson featuring Bruno Mars |
| 96 | February 14 | "Uptown Funk" † | Mark Ronson featuring Bruno Mars |
| 96 | February 21 | "Uptown Funk" † | Mark Ronson featuring Bruno Mars |
| 96 | February 28 | "Uptown Funk" † | Mark Ronson featuring Bruno Mars |
| 96 | March 7 | "Uptown Funk" † | Mark Ronson featuring Bruno Mars |
| 96 | March 14 | "Uptown Funk" † | Mark Ronson featuring Bruno Mars |
| 96 | March 21 | "Uptown Funk" † | Mark Ronson featuring Bruno Mars |
| 96 | March 28 | "Uptown Funk" † | Mark Ronson featuring Bruno Mars |
| 96 | April 4 | "Uptown Funk" † | Mark Ronson featuring Bruno Mars |
| 96 | April 11 | "Uptown Funk" † | Mark Ronson featuring Bruno Mars |
| 96 | April 18 | "Uptown Funk" † | Mark Ronson featuring Bruno Mars |
| 97 | April 25 | "See You Again" | Wiz Khalifa featuring Charlie Puth |
| 97 | May 2 | "See You Again" | Wiz Khalifa featuring Charlie Puth |
| 97 | May 9 | "See You Again" | Wiz Khalifa featuring Charlie Puth |
| 97 | May 16 | "See You Again" | Wiz Khalifa featuring Charlie Puth |
| 97 | May 23 | "See You Again" | Wiz Khalifa featuring Charlie Puth |
| 97 | May 30 | "See You Again" | Wiz Khalifa featuring Charlie Puth |
| 98 | June 6 | "Bad Blood" | Taylor Swift featuring Kendrick Lamar |
| re | June 13 | "See You Again" | Wiz Khalifa featuring Charlie Puth |
| re | June 20 | "See You Again" | Wiz Khalifa featuring Charlie Puth |
| 99 | June 27 | "Cheerleader" | OMI |
| 99 | July 4 | "Cheerleader" | OMI |
| 99 | July 11 | "Cheerleader" | OMI |
| 99 | July 18 | "Cheerleader" | OMI |
| 99 | July 25 | "Cheerleader" | OMI |
| 99 | August 1 | "Cheerleader" | OMI |
| 99 | August 8 | "Cheerleader" | OMI |
| 99 | August 15 | "Cheerleader" | OMI |
| 99 | August 22 | "Cheerleader" | OMI |
| 99 | August 29 | "Cheerleader" | OMI |
| 99 | September 5 | "Cheerleader" | OMI |
| 100 | September 12 | "Can't Feel My Face" | The Weeknd |
| 101 | September 19 | "What Do You Mean?" | Justin Bieber |
| 101 | September 26 | "What Do You Mean?" | Justin Bieber |
| 101 | October 3 | "What Do You Mean?" | Justin Bieber |
| 101 | October 10 | "What Do You Mean?" | Justin Bieber |
| 101 | October 17 | "What Do You Mean?" | Justin Bieber |
| 101 | October 24 | "What Do You Mean?" | Justin Bieber |
| 102 | October 31 | "The Hills" | The Weeknd |
| re | November 7 | "What Do You Mean?" | Justin Bieber |
| 103 | November 14 | "Hello" | Adele |
| 103 | November 21 | "Hello" | Adele |
| 103 | November 28 | "Hello" | Adele |
| 103 | December 5 | "Hello" | Adele |
| 103 | December 12 | "Hello" | Adele |
| 103 | December 19 | "Hello" | Adele |
| 103 | December 26 | "Hello" | Adele |