| 2004 Grand Prix Hassan II | |
|---|---|
| Date | 17–24 May |
| Edition | 20th |
| Surface | Clay / outdoor |
| Location | Casablanca, Morocco |
| Champions | |
| Singles | |
 Santiago Ventura | |
| Doubles | |
 Enzo Artoni / Fernando Vicente | |
The 2004 Grand Prix Hassan II was an Association of Tennis Professionals tennis tournament held in Casablanca, Morocco. It was the 20th edition of the tournament and was held from May 17 to May 24.