2005 Grand Prix Hassan II
| 2005 Grand Prix Hassan II | |
|---|---|
| Date | April 4 – April 11 |
| Edition | 21st |
| Champions | |
| Singles | |
 Mariano Puerta | |
| Doubles | |
 František Čermák / Leoš Friedl | |
The 2005 Grand Prix Hassan II was an Association of Tennis Professionals tennis tournament held in Casablanca, Morocco. It was the 21st edition of the tournament and was held from April 4 to April 11.
Winners
Men's Singles
Mariano Puerta defeated Juan Mónaco 6–4, 6–1
- It was Puerta's only title of the year and the 6th of his career.
Men's Doubles
František Čermák / Leoš Friedl defeated Martín García / 
Luis Horna 6–4, 6–3
- It was Čermák's 3rd title of the year and the 8th of his career. It was Friedl's 3rd title of the year and the 8th of his career.