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| Date | Title | Country | Details |
|---|---|---|---|
| 1/3 | Hey Ya!DetailsArtist: OutKast · Weeks at No. 1 that month: 5 | United States | Artist: OutKast · Weeks at No. 1 that month: 5 |
| 2/7 | Hey Ya!DetailsArtist: OutKast · Weeks at No. 1 that month: 1 | United States | Artist: OutKast · Weeks at No. 1 that month: 1 |
| 2/14 | The Way You MoveDetailsArtist: OutKast featuring Sleepy Brown · Weeks at No. 1 that month: 1 | United States | Artist: OutKast featuring Sleepy Brown · Weeks at No. 1 that month: 1 |
| 2/21 | Slow JamzDetailsArtist: Twista featuring Kanye West and Jamie Foxx · Weeks at No. 1 that month: 1 | United States | Artist: Twista featuring Kanye West and Jamie Foxx · Weeks at No. 1 that month: 1 |
| 2/28 | Yeah!DetailsArtist: Usher featuring Lil Jon and Ludacris · Weeks at No. 1 that month: 1 | United States | Artist: Usher featuring Lil Jon and Ludacris · Weeks at No. 1 that month: 1 |
| 3/6 | Yeah!DetailsArtist: Usher featuring Lil Jon and Ludacris · Weeks at No. 1 that month: 4 | United States | Artist: Usher featuring Lil Jon and Ludacris · Weeks at No. 1 that month: 4 |
| 4/3 | Yeah!DetailsArtist: Usher featuring Lil Jon and Ludacris · Weeks at No. 1 that month: 4 | United States | Artist: Usher featuring Lil Jon and Ludacris · Weeks at No. 1 that month: 4 |
| 5/1 | Yeah!DetailsArtist: Usher featuring Lil Jon and Ludacris · Weeks at No. 1 that month: 3 | United States | Artist: Usher featuring Lil Jon and Ludacris · Weeks at No. 1 that month: 3 |
| 5/22 | BurnDetailsArtist: Usher · Weeks at No. 1 that month: 2 | United States | Artist: Usher · Weeks at No. 1 that month: 2 |
| 6/5 | BurnDetailsArtist: Usher · Weeks at No. 1 that month: 4 | United States | Artist: Usher · Weeks at No. 1 that month: 4 |
| 7/3 | BurnDetailsArtist: Usher · Weeks at No. 1 that month: 2 | United States | Artist: Usher · Weeks at No. 1 that month: 2 |
| 7/10 | I BelieveDetailsArtist: Fantasia · Weeks at No. 1 that month: 1 | United States | Artist: Fantasia · Weeks at No. 1 that month: 1 |
| 7/24 | Confessions Part IIDetailsArtist: Usher · Weeks at No. 1 that month: 2 | United States | Artist: Usher · Weeks at No. 1 that month: 2 |
| 8/7 | Slow MotionDetailsArtist: Juvenile featuring Soulja Slim · Weeks at No. 1 that month: 2 | United States | Artist: Juvenile featuring Soulja Slim · Weeks at No. 1 that month: 2 |
| 8/21 | Lean BackDetailsArtist: Terror Squad · Weeks at No. 1 that month: 2 | United States | Artist: Terror Squad · Weeks at No. 1 that month: 2 |
| 9/4 | Lean BackDetailsArtist: Terror Squad · Weeks at No. 1 that month: 1 | United States | Artist: Terror Squad · Weeks at No. 1 that month: 1 |
| 9/11 | GoodiesDetailsArtist: Ciara featuring Petey Pablo · Weeks at No. 1 that month: 3 | United States | Artist: Ciara featuring Petey Pablo · Weeks at No. 1 that month: 3 |
| 10/2 | GoodiesDetailsArtist: Ciara featuring Petey Pablo · Weeks at No. 1 that month: 4 | United States | Artist: Ciara featuring Petey Pablo · Weeks at No. 1 that month: 4 |
| 10/30 | My BooDetailsArtist: Usher and Alicia Keys · Weeks at No. 1 that month: 1 | United States | Artist: Usher and Alicia Keys · Weeks at No. 1 that month: 1 |
| 11/6 | My BooDetailsArtist: Usher and Alicia Keys · Weeks at No. 1 that month: 4 | United States | Artist: Usher and Alicia Keys · Weeks at No. 1 that month: 4 |
| 12/4 | My BooDetailsArtist: Usher and Alicia Keys · Weeks at No. 1 that month: 1 | United States | Artist: Usher and Alicia Keys · Weeks at No. 1 that month: 1 |
| 12/11 | Drop It Like It's HotDetailsArtist: Snoop Dogg featuring Pharrell · Weeks at No. 1 that month: 3 | United States | Artist: Snoop Dogg featuring Pharrell · Weeks at No. 1 that month: 3 |