| 1998 Grand Prix Hassan II | |
|---|---|
| Date | 23–30 March |
| Edition | 14th |
| Category | World Series |
| Draw | 32S / 16D |
| Prize money | $210,000 |
| Surface | Clay / outdoor |
| Location | Casablanca, Morocco |
| Champions | |
| Singles | |
 Andrea Gaudenzi[1] | |
| Doubles | |
| Andrea Gaudenzi / Diego Nargiso[2] | |
The 1998 Grand Prix Hassan II was an Association of Tennis Professionals men's tennis tournament played on outdoor clay courts in Casablanca, Morocco. It was the 14th edition of the tournament and was held from 23 March until 30 March 1998. Fourth-seeded Andrea Gaudenzi won the singles title.
- ^ "1998 Casablanca – Singles draw". Association of Tennis Professionals (ATP).
- ^ "1998 Casablanca – Doublesdraw". Association of Tennis Professionals (ATP).