Number One Song This lists songs that hit number one on the charts in the UK during 2009. If a song spent nonconsecutive weeks at number one, the number of weeks for each occurrence at the top is shown in parenthesis. In the early years of the UK chart, occasionally two songs were at number one simultaneously. This will be indicated with two asterisks.
Play a medleyPlay a medley of these number one songs  Length: 2:29
« 2008 2009 Number One Songs 2010 »
Date Artist - Title Weeks
at #1
« 2008 2009 Number One Songs 2010 »
Alexandra Burke - Hallelujah 3
Lady Gaga feat. Colby O'Donis - Just Dance 3
Lily Allen - The Fear 4
Kelly Clarkson - My Life Would Suck Without You 1
Flo Rida - Right Round 1
Ruth Jones and Rob Brydon feat. Tom Jones and Robin Gibb - Islands In The Stream 1
Lady Gaga - Poker Face 3
Calvin Harris - I'm Not Alone 2
Tinchy Stryder feat. N-Dubz - Number 1 3
Black Eyed Peas - Boom Boom Pow 2 (1)
Dizzee Rascal - Bonkers 2
Black Eyed Peas - Boom Boom Pow 2 (1)
Pixie Lott - Mama Do (Uh Oh, Uh Oh) 1
David Guetta feat. Kelly Rowland - When Love Takes Over 1
La Roux - Bulletproof 1
Cascada - Evacuate the Dancefloor 2
JLS - Beat Again 2
Black Eyed Peas - I Gotta Feeling 2 (1)
Tinchy Stryder feat. Amelle Berrabah - Never Leave You 1
Black Eyed Peas - I Gotta Feeling 2 (1)
David Guetta feat. Akon - Sexy Bitch 1
Dizzee Rascal feat. Chrome - Holiday 1
Jay Z feat. Rihanna and Kanye West - Run This Town 1
Pixie Lott - Boys and Girls 1
Taio Cruz - Break Your Heart 3
Chipmunk - Oopsy Daisy 1
Alexandra Burke feat Flo Rida - Bad Boys 1
Cheryl Cole - Fight For This Love 2
JLS - Everybody In Love 1
Black Eyed Peas - Meet Me Halfway 1
The X Factor Finalists - You Are Not Alone 1
Peter Kay's Animated All Star Band - The Official BBC Children in Need Medley 2
Lady Gaga - Bad Romance 2 (1)
Rage Against the Machine - Killing In The Name 1
Joe McElderry - The Climb 1
Source: The Official Charts Company

33 different songs hit number one in the UK during 2009.