The best selling album in 2003 in United States was GET RICH OR DIE TRYIN' by 50 CENT which sold 6,535,809 copies.
| Rank | Artist | Album | Sales | Released |
| 1 | 50 CENT | GET RICH OR DIE TRYIN' | 6,535,809 | 2003 |
| 2 | NORAH JONES | COME AWAY WITH ME | 5,137,468 | 2002 |
| 3 | LINKIN PARK | METEORA | 3,478,361 | 2003 |
| 4 | EVANESCENCE | FALLEN | 3,364,738 | 2003 |
| 5 | OUTKAST | SPEAKERBOXXX / THE LOVE BELOW | 3,089,849 | 2003 |
| 6 | BEYONCÉ | DANGEROUSLY IN LOVE | 2,527,485 | 2003 |
| 7 | R. KELLY | CHOCOLATE FACTORY | 2,439,536 | 2003 |
| 8 | HILARY DUFF | METAMORPHOSIS | 2,405,544 | 2003 |
| 9 | TOBY KEITH | SHOCK 'N Y'ALL | 2,324,437 | 2003 |
| 10 | COLDPLAY | A RUSH OF BLOOD TO THE HEAD | 2,183,997 | 2002 |
Source: Nielsen SoundScan