Sports
Entertainment
| Date | Title | Country | Details |
|---|---|---|---|
| 1/7 | Don't Forget About UsDetailsArtist: Mariah Carey · Weeks at No. 1 that month: 1 | United States | Artist: Mariah Carey · Weeks at No. 1 that month: 1 |
| 1/14 | Laffy TaffyDetailsArtist: D4L · Weeks at No. 1 that month: 1 | United States | Artist: D4L · Weeks at No. 1 that month: 1 |
| 1/21 | GrillzDetailsArtist: Nelly featuring Paul Wall, Ali & Gipp · Weeks at No. 1 that month: 2 | United States | Artist: Nelly featuring Paul Wall, Ali & Gipp · Weeks at No. 1 that month: 2 |
| 2/4 | Check on ItDetailsArtist: Beyoncé featuring Slim Thug · Weeks at No. 1 that month: 4 | United States | Artist: Beyoncé featuring Slim Thug · Weeks at No. 1 that month: 4 |
| 3/4 | Check on ItDetailsArtist: Beyoncé featuring Slim Thug · Weeks at No. 1 that month: 1 | United States | Artist: Beyoncé featuring Slim Thug · Weeks at No. 1 that month: 1 |
| 3/11 | You're BeautifulDetailsArtist: James Blunt · Weeks at No. 1 that month: 1 | United States | Artist: James Blunt · Weeks at No. 1 that month: 1 |
| 3/18 | So SickDetailsArtist: Ne-Yo · Weeks at No. 1 that month: 2 | United States | Artist: Ne-Yo · Weeks at No. 1 that month: 2 |
| 4/1 | TemperatureDetailsArtist: Sean Paul · Weeks at No. 1 that month: 1 | United States | Artist: Sean Paul · Weeks at No. 1 that month: 1 |
| 4/8 | Bad DayDetailsArtist: Daniel Powter · Weeks at No. 1 that month: 4 | United States | Artist: Daniel Powter · Weeks at No. 1 that month: 4 |
| 5/6 | Bad DayDetailsArtist: Daniel Powter · Weeks at No. 1 that month: 1 | United States | Artist: Daniel Powter · Weeks at No. 1 that month: 1 |
| 5/13 | SOSDetailsArtist: Rihanna · Weeks at No. 1 that month: 3 | United States | Artist: Rihanna · Weeks at No. 1 that month: 3 |
| 6/3 | Ridin'DetailsArtist: Chamillionaire featuring Krayzie Bone · Weeks at No. 1 that month: 2 | United States | Artist: Chamillionaire featuring Krayzie Bone · Weeks at No. 1 that month: 2 |
| 6/17 | Hips Don't LieDetailsArtist: Shakira featuring Wyclef Jean · Weeks at No. 1 that month: 2 | United States | Artist: Shakira featuring Wyclef Jean · Weeks at No. 1 that month: 2 |
| 7/1 | Do I Make You ProudDetailsArtist: Taylor Hicks · Weeks at No. 1 that month: 1 | United States | Artist: Taylor Hicks · Weeks at No. 1 that month: 1 |
| 7/8 | PromiscuousDetailsArtist: Nelly Furtado featuring Timbaland · Weeks at No. 1 that month: 4 | United States | Artist: Nelly Furtado featuring Timbaland · Weeks at No. 1 that month: 4 |
| 8/5 | PromiscuousDetailsArtist: Nelly Furtado featuring Timbaland · Weeks at No. 1 that month: 2 | United States | Artist: Nelly Furtado featuring Timbaland · Weeks at No. 1 that month: 2 |
| 8/19 | London BridgeDetailsArtist: Fergie · Weeks at No. 1 that month: 2 | United States | Artist: Fergie · Weeks at No. 1 that month: 2 |
| 9/2 | London BridgeDetailsArtist: Fergie · Weeks at No. 1 that month: 1 | United States | Artist: Fergie · Weeks at No. 1 that month: 1 |
| 9/9 | SexyBackDetailsArtist: Justin Timberlake · Weeks at No. 1 that month: 4 | United States | Artist: Justin Timberlake · Weeks at No. 1 that month: 4 |
| 10/7 | SexyBackDetailsArtist: Justin Timberlake · Weeks at No. 1 that month: 3 | United States | Artist: Justin Timberlake · Weeks at No. 1 that month: 3 |
| 10/28 | Money MakerDetailsArtist: Ludacris featuring Pharrell · Weeks at No. 1 that month: 1 | United States | Artist: Ludacris featuring Pharrell · Weeks at No. 1 that month: 1 |
| 11/4 | Money MakerDetailsArtist: Ludacris featuring Pharrell · Weeks at No. 1 that month: 1 | United States | Artist: Ludacris featuring Pharrell · Weeks at No. 1 that month: 1 |
| 11/11 | My LoveDetailsArtist: Justin Timberlake featuring T.I. · Weeks at No. 1 that month: 3 | United States | Artist: Justin Timberlake featuring T.I. · Weeks at No. 1 that month: 3 |
| 12/2 | I Wanna Love YouDetailsArtist: Akon featuring Snoop Dogg · Weeks at No. 1 that month: 2 | United States | Artist: Akon featuring Snoop Dogg · Weeks at No. 1 that month: 2 |
| 12/16 | IrreplaceableDetailsArtist: Beyoncé · Weeks at No. 1 that month: 3 | United States | Artist: Beyoncé · Weeks at No. 1 that month: 3 |