" 

 == UK chart number Ones. [2011] == 

 {| class=""wikitable"" style=""margin: 1em 1em 1em 0; font-size: 95%;"" 
 !width=""100"" style=""background:#efefef;"" | Date 
 !width=""355"" style=""background:#efefef;"" | Artist 
 !width=""320"" style=""background:#efefef;"" | Title 
 |- 
 | January 1 || Matt Cardle || When We Collide 
 |- 
 | January 8 || Matt Cardle || When We Collide 
 |- 
 | January 15 || Rihanna feat. Drake || What's My Name 
 |- 
 | January 22 || Bruno Mars || Grenade 
 |- 
 | January 29 || Bruno Mars || Grenade 
 |- 
 | February 5 || Kesha || We R Who We R 
 |- 
 | February 12 || Jessie J feat. B.o.B || Price Tag 
 |- 
 | February 19 || Jessie J feat. B.o.B || Price Tag 
 |- 
 | February 26 || Adele || Someone Like You 
 |- 
 | March 5 || Adele || Someone Like You 
 |- 
 | March 12 || Adele || Someone Like You 
 |- 
 | March 19 || Adele || Someone Like You 
 |- 
 | March 26 || Nicole Scherzinger || Don't Hold Your Breath 
 |- 
 | April 2 || Adele || Someone Like You 
 |- 
 | April 9 || Jennifer Lopez feat. Pitbull || On The Floor 
 |- 
 | April 16 || Jennifer Lopez feat. Pitbull || On The Floor 
 |- 
 | April 23 || LMFAO feat. Lauren Bennett & GoonRock || Party Rock Anthem 
 |- 
 | April 30 || LMFAO feat. Lauren Bennett & GoonRock || Party Rock Anthem 
 |- 
 | May 7 || LMFAO feat. Lauren Bennett & GoonRock || Party Rock Anthem 
 |- 
 | May 14 || LMFAO feat. Lauren Bennett & GoonRock || Party Rock Anthem 
 |- 
 | May 21 || Bruno Mars || The Lazy Song 
 |- 
 | May 28 || Pitbull feat. Ne-Yo & Afrojack feat. Nayer || Give Me Everything (Tonight) 
 |- 
 | June 4 || Pitbull feat. Ne-Yo & Afrojack feat. Nayer || Give Me Everything (Tonight) 
 |- 
 | June 11 || Pitbull feat. Ne-Yo & Afrojack feat. Nayer || Give Me Everything (Tonight) 
 |- 
 | June 18 || Example || Changed The Way You Kiss Me 
 |- 
 | June 25 || Example || Changed The Way You Kiss Me 
 |- 
 | July 2 || Jason Derulo || Don't Wanna Go Home 
 |- 
 | July 9 || Jason Derulo || Don't Wanna Go Home 
 |- 
 | July 16 || DJ Fresh feat. Sian Evans || Louder 
 |- 
 | July 23 || The Wanted || Glad You Came 
 |- 
 | July 30 || The Wanted || Glad You Came 
 |- 
 | August 6 || JLS feat. Dev || She Makes Me Wanna 
 |- 
 | August 13 || Cher Lloyd || Swagger Jagger 
 |- 
 | August 20 || Nero || Promises 
 |- 
 | August 27 || Wretch 32 feat. Josh Kumra || Don't Go 
 |- 
 | September 3 || Olly Murs feat. Rizzle Kicks || Heart Skips A Beat 
 |- 
 | September 10 || Example || Stay Awake 
 |- 
 | September 17 || Pixie Lott || All About Tonight 
 |- 
 | September 24 || One Direction || What Makes You Beautiful 
 |- 
 | October 1 || Dappy || No Regrets 
 |- 
 | October 8 || Sak Noel || Loca People 
 |- 
 | October 15 || Rihanna feat. Calvin Harris || We Found Love 
 |- 
 | October 22 || Rihanna feat. Calvin Harris || We Found Love 
 |- 
 | October 29 || Rihanna feat. Calvin Harris || We Found Love 
 |- 
 | November 5 || Professor Green feat. Emeli Sande || Read All About It 
 |- 
 | November 12 || Professor Green feat. Emeli Sande || Read All About It 
 |- 
 | November 19 || Rihanna feat. Calvin Harris || We Found Love 
 |- 
 | November 26 || Rihanna feat. Calvin Harris || We Found Love 
 |- 
 | December 3 || Rihanna feat. Calvin Harris || We Found Love 
 |- 
 | December 10 || X Factor Finalists 2011 || [[Wishing on a Star (song)|Wishing