2011 Number One Song Calendar |
| red # = weekly rock chartblue # = pop chart |
| 1 | Firework | 1 | 12-18-10 |
| Katy Perry |
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| 2 | What's My Name? | 1 | 1-08-11 |
| Rihanna Featuring Drake |
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| 3 | Grenade | 1 | 1-15-11 |
| Bruno Mars |
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| 4 | Tonight (I'm Lovin' You) | 1 | 2-05-11 |
| Enrique Iglesias Featuring Ludacris & DJ Frank E |
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| 5 | Hold It Against Me | 1 | 2-26-11 |
| Britney Spears |
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| 6 | Born This Way | 1 | 3-05-11 |
| Lady Gaga |
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| 7 | Perfect | 1 | 3-26-11 |
| Pink |
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| 8 | S&M | 1 | 4-02-11 |
| Rihanna |
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| 9 | E.T. | 1 | 4-16-11 |
| Katy Perry Featuring Kanye West |
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| 10 | Till The World Ends | 1 | 5-07-11 |
| Britney Spears |
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| 11 | Rolling In The Deep | 6 | 1 | 5-21-11 |
| Adele |
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| 12 | Give Me Everything | 1 | 6-18-11 |
| Pitbull Featuring Ne-Yo Afrojack & Nayer |
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| 13 | The Edge Of Glory | 1 | 7-02-11 |
| Lady Gaga |
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| 7-09-11 |
| Give Me Everything by Pitbull Featuring Ne-Yo, AfroJack & Nayer returns to number one |
| 14 | Party Rock Anthem | 1 | 7-16-11 |
| LMFAO Featuring Lauren Bennett, GoonRock |
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| 15 | Last Friday Night (T.G.I.F.) | 1 | 8-06-11 |
| Katy Perry |
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| 16 | I Wanna Go | 1 | 8-20-11 |
| Britney Spears |
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| 17 | Lighters | 1 | 9-03-11 |
| Bad Meets Evil Featuring Bruno Mars |
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| 18 | Moves Like Jagger | 1 | 9-17-11 |
| Maroon 5 Featuring Christina Aguilera |
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| 19 | Pumped Up Kicks | 1 | 1 | 10-08-11 |
| Foster The People |
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| 20 | Stereo Hearts | 1 | 10-15-11 |
| Gym Class Heroes Featuring Adam Levine |
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| 21 | Someone Like You | 1 | 10-22-11 |
| Adele |
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| 11-05-11 |
| Stereo Hearts by Gym Class Heroes Featuring Adam Levine returns to number one |
| 22 | Sexy And I Know It | 1 | 11-12-11 |
| LMFAO |
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| 23 | We Found Love | 1 | 11-26-11 |
| Rihanna Featuring Calvin Harris |
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| 24 | Without You | 1 | 12-03-11 |
| David Guetta Featuring Usher |
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| 12-10-11 |
| We Found Love by Rihanna Featuring Calvin Harris returns to number one |
| 25 | It Will Rain | 1 | 12-24-11 |
| Bruno Mars |
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| 26 | The One That Got Away | 1 | 12-31-11 |
| Katy Perry |
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| 1-07-12 |
| It Will Rain by Bruno Mars returns to number one |