List Of Hot 100 Number-one Singles Of 2011 (Canada)
This is a list of the Canadian Billboard magazine Canadian Hot 100 number-ones of 2011.
"Hold It Against Me" by Britney Spears (pictured) debuted at number one, becoming the sixth song to do so. 
Lady Gaga (pictured)'s "Born This Way" debuted and stayed No. 1 for seven consecutive weeks. 
Singer Adele (pictured)'s "Rolling in the Deep" topped the chart for three consecutive weeks and over the course of the year became the best-performing single of 2011. 
With "E.T." and "Last Friday Night (T.G.I.F.)", Katy Perry (pictured) became the first act to score four number-one singles from one album.
Note that Billboard publishes charts with an issue date approximately 7–10 days in advance.
A Canadian flag denotes a Canadian artist.
Chart history
| † | Indicates best-performing single of 2011 |
| No. | Issue date | Song | Artist(s) | Reference(s) |
|---|---|---|---|---|
| re | January 1 | "The Time (Dirty Bit)" | The Black Eyed Peas | |
| January 8 | ||||
| January 15 | ||||
| 45 | January 22 | "Grenade" | Bruno Mars | |
| 46 | January 29 | "Hold It Against Me" | Britney Spears | |
| 47 | February 5 | "More" | Usher | |
| re | February 12 | "Grenade" | Bruno Mars | |
| February 19 | ||||
| 48 | February 26 | "Born This Way" | Lady Gaga | |
| March 5 | ||||
| March 12 | ||||
| March 19 | ||||
| March 26 | ||||
| April 2 | ||||
| April 9 | ||||
| 49 | April 16 | "On the Floor" | Jennifer Lopez featuring Pitbull | |
| April 23 | ||||
| 50 | April 30 | "S&M" | Rihanna | |
| 51 | May 7 | "E.T." | Katy Perry featuring Kanye West | |
| re | May 14 | "On the Floor" | Jennifer Lopez featuring Pitbull | |
| May 21 | ||||
| 52 | May 28 | "Rolling in the Deep" † | Adele | |
| June 4 | ||||
| June 11 | ||||
| 53 | June 18 | "Give Me Everything" | Pitbull featuring Ne-Yo, Afrojack and Nayer | |
| June 25 | ||||
| July 2 | ||||
| July 9 | ||||
| 54 | July 16 | "Party Rock Anthem" | LMFAO featuring Lauren Bennett and GoonRock | |
| July 23 | ||||
| re | July 30 | "Give Me Everything" | Pitbull featuring Ne-Yo, Afrojack and Nayer | |
| August 6 | ||||
| 55 | August 13 | "Last Friday Night (T.G.I.F.)" | Katy Perry | |
| 56 | August 20 | "Moves like Jagger" | Maroon 5 featuring Christina Aguilera | |
| August 27 | ||||
| September 3 | ||||
| September 10 | ||||
| September 17 | ||||
| September 24 | ||||
| October 1 | ||||
| October 8 | ||||
| October 15 | ||||
| October 22 | ||||
| 57 | October 29 | "Sexy and I Know It" | LMFAO | |
| November 5 | ||||
| 58 | November 12 | "We Found Love" | Rihanna featuring Calvin Harris | |
| November 19 | ||||
| November 26 | ||||
| December 3 | ||||
| December 10 | ||||
| December 17 | ||||
| December 24 | ||||
| December 31 |