| 2003 Grand Prix Hassan II | |
|---|---|
| Date | 7–13 April |
| Edition | 19th |
| Category | International Series |
| Surface | Caly / outdoor |
| Location | Casablanca, Morocco |
| Venue | Complexe Al Amal |
| Champions | |
| Singles | |
 Julien Boutter | |
| Doubles | |
 František Čermák / Leoš Friedl | |
The 2003 Grand Prix Hassan II was a tennis tournament played on outdoor clay courts at the Complexe Al Amal in Casablanca in Morocco and was part of the International Series of the 2003 ATP Tour. It was the 19th edition of the tournament and was held from 7 April through 13 April 2003. Unseeded Julien Boutter won the singles title.