| month | day | visitor | score | home | score |
|---|
| December | 4, 2003 | Bucks | | Suns | |
| December | 6, 2003 | Hawks | | Bucks | |
| December | 10, 2003 | Celtics | | Bucks | |
| December | 17, 2003 | Mavericks | | Bucks | |
| December | 18, 2003 | Bucks | | Mavericks | |
| December | 22, 2003 | Knicks | | Bucks | |
| December | 26, 2003 | Hornets | | Bucks | |
| December | 28, 2003 | Bucks | | Warriors | |
| December | 29, 2003 | Kings | | Bucks | |
| December | 30, 2003 | Bucks | | Heat | |
| December | 31, 2003 | Bucks | | Magic | |
| January | 2, 2004 | Bucks | | Pacers | |
| January | 3, 2004 | Pistons | | Bucks | |
| January | 5, 2004 | Nuggets | | Bucks | |
| January | 6, 2004 | Bucks | | Pistons | |
| January | 7, 2004 | Cavaliers | | Bucks | |
| January | 10, 2004 | Hornets | | Bucks | |
| January | 11, 2004 | Bullets | | Bucks | |
| January | 13, 2004 | Nets | | Bucks | |
| January | 16, 2004 | Pacers | | Bucks | |
| January | 19, 2004 | Bucks | | Hawks | |
| January | 20, 2004 | Bucks | | Jazz | |
| January | 26, 2004 | Bucks | | Hornets | |
| January | 27, 2004 | Raptors | | Bucks | |
| January | 28, 2004 | Rockets | | Bucks | |
| January | 31, 2004 | Jazz | | Bucks | |
| February | 2, 2004 | Hawks | | Bucks | |
| February | 4, 2004 | Bucks | | Kings | |
| February | 8, 2004 | Lakers | | Bucks | |
| February | 9, 2004 | Wolves | | Bucks | |
| February | 12, 2004 | Bucks | | Grizzlies | |
| February | 15, 2004 | Pistons | | Bucks | |
| February | 16, 2004 | Bucks | | Pistons | |
| February | 18, 2004 | Bulls | | Bucks | |
| February | 19, 2004 | Bucks | | Cavaliers | |
| February | 20, 2004 | Magic | | Bucks | |
| February | 21, 2004 | Nets | | Bucks | |
| February | 23, 2004 | Bucks | | Bulls | |
| February | 24, 2004 | Bucks | | Magic | |
| February | 26, 2004 | Celtics | | Bucks | |
| February | 27, 2004 | Bucks | | Blazers | |
| February | 28, 2004 | 76ers | | Bucks | |
| March | 1, 2004 | Bucks | | Knicks | |
| March | 4, 2004 | Bucks | | Hornets | |
| March | 6, 2004 | Clippers | | Bucks | |
| March | 8, 2004 | Bucks | | Bullets | |
| March | 11, 2004 | Warriors | | Bucks | |
| March | 12, 2004 | Bucks | | Cavaliers | |
| March | 13, 2004 | Heat | | Bucks | |
| March | 14, 2004 | Raptors | | Bucks | |
| March | 15, 2004 | Bucks | | Nuggets | |
| March | 16, 2004 | Sonics | | Bucks | |
| March | 19, 2004 | Bucks | | Raptors | |
| March | 21, 2004 | Bucks | | Rockets | |
| March | 30, 2004 | Knicks | | Bucks | |
| April | 2, 2004 | Spurs | | Bucks | |
| April | 4, 2004 | Blazers | | Bucks | |
| April | 5, 2004 | Bucks | | Nets | |
| April | 6, 2004 | Suns | | Bucks | |
| April | 8, 2004 | Bucks | | Wolves | |
| April | 11, 2004 | Bucks | | Clippers | |
| April | 13, 2004 | Bucks | | Cavaliers | |
| April | 14, 2004 | Bucks | | Hawks | |
| April | 15, 2004 | 76ers | | Bucks | |
| April | 20, 2004 | Bucks | | Celtics | |
| April | 21, 2004 | Bucks | | Hawks | |
| April | 24, 2004 | Bucks | | Pistons | |