| Date | Artist - Title | Weeks at #1 |
|---|---|---|
2011 Number One Songs | ||
| – | Matt Cardle - When We Collide | 3 |
| – | Rihanna feat. Drake - What's My Name? | 1 |
| – | Bruno Mars - Grenade | 2 |
| – | Ke$ha - We R Who We R | 1 |
| – | Jessie J feat. B.o.B - Price Tag | 2 |
| – | Adele - Someone Like You | 5 (4) |
| – | Nicole Scherzinger - Don't Hold Your Breath | 1 |
| – | Adele - Someone Like You | 5 (1) |
| – | Jennifer Lopez feat. Pitbull - On The Floor | 2 |
| – | LMFAO feat. Lauren Bennett and GoonRock - Party Rock Anthem | 4 |
| – | Bruno Mars - The Lazy Song | 1 |
| – | Pitbull feat. Ne-Yo, Afrojack and Nayer - Give Me Everything | 3 |
| – | Example - Changed the Way You Kiss Me | 2 |
| – | Jason Derulo - Don't Wanna Go Home | 2 |
| – | DJ Fresh feat. Sian Evans - Louder | 1 |
| – | The Wanted - Glad You Came | 2 |
| – | JLS feat. Dev - She Makes Me Wanna | 1 |
| – | Cher Lloyd - Swagger Jagger | 1 |
| – | Nero - Promises | 1 |
| – | Wretch 32 feat. Josh Kumra - Don't Go | 1 |
| – | Olly Murs feat. Rizzle Kicks - Heart Skips a Beat | 1 |
| – | Example - Stay Awake | 1 |
| – | Pixie Lott - All About Tonight | 1 |
| – | One Direction - What Makes You Beautiful | 1 |
| – | Dappy - No Regrets | 1 |
| – | Sak Noel - Loca People | 1 |
| – | Rihanna feat. Calvin Harris - We Found Love | 6 (3) |
| – | Professor Green feat. Emeli Sande - Read All About It | 2 |
| – | Rihanna feat. Calvin Harris - We Found Love | 6 (3) |
| – | The X Factor Finalists 2011 feat. JLS and One Direction - Wishing on a Star | 1 |
| – | Olly Murs - Dance with Me Tonight | 1 |
| – | Little Mix - Cannonball | 1 |
| – | Military Wives with Gareth Malone - Wherever You Are | 1 |
31 different songs hit number one in the UK during 2011.
