The 2004 Grand Prix SAR La Princesse Lalla Meryem was a women's tennis tournament played on outdoor clay courts in Casablanca, Morocco that was part of the Tier V category of the 2004 WTA Tour.

It was the fourth edition of the tournament and was held from 5 April until 11 April 2004.

First-seeded Émilie Loit won the singles title and earned $16,000 first-prize money.

Émilie Loit defeated Ľudmila Cervanová 6–2, 6–2 Marion Bartoli / Émilie Loit defeated Els Callens / Katarina Srebotnik 6–4, 6–2