List of Ultratop 40 number-one singles of 2009

This is a list of songs that topped the Belgian Walloon (francophone) Ultratop 40 in 2009.^[1]

Issue date	Song title	Artist
January 3	"Toi + Moi"	Grégoire
January 10
January 17
January 24
January 31	"Hot n Cold"	Katy Perry
February 7
February 14	"Poker Face"	Lady Gaga
February 21
February 28
March 7
March 14
March 21
March 28	"Ici les Enfoirés"	Les Enfoirés
April 4	"Poker Face"	Lady Gaga
April 11
April 18
April 25	"Right Round"	Flo Rida featuring Ke$ha
May 2	"Broken Strings"	James Morrison featuring Nelly Furtado
May 9	"C'est dit"	Calogero
May 16
May 23
May 30	"Boom Boom Pow"	The Black Eyed Peas
June 6
June 13
June 20
June 27
July 4	"When Love Takes Over"	David Guetta featuring Kelly Rowland
July 11
July 18
July 25
August 1	"I Gotta Feeling"	The Black Eyed Peas
August 8
August 15
August 22
August 29
September 5	"Sexy Bitch"	David Guetta featuring Akon
September 12	"I Gotta Feeling"	Black Eyed Peas
September 19	"Sexy Bitch"	David Guetta featuring Akon
September 26	"I Gotta Feeling"	Black Eyed Peas
October 3	"Alors on danse"	Stromae
October 10
October 17
October 24
October 31
November 7	"I Gotta Feeling"	Black Eyed Peas
November 14	"Sexy Bitch"	David Guetta featuring Akon
November 21	"Meet Me Halfway"	The Black Eyed Peas
November 28
December 5	"We Are The Best"	The Champions
December 12
December 19
December 26	"Meet Me Halfway"	The Black Eyed Peas

See also

• List of Ultratop 50 number-one hits of 2009