The 2004 Open Gaz de France was a women's tennis tournament played on indoor hard courts at the Stade Pierre de Coubertin in Paris in France that was part of Tier II of the 2004 WTA Tour. The tournament was held from February 9 through February 15, 2004.
Kim Clijsters defeated Mary Pierce 6–2, 6–1
- It was Clijsters's 1st title of the year and the 31st title of her career.
Barbara Schett / Patty Schnyder defeated Silvia Farina Elia / Francesca Schiavone 6–3, 6–2
- It was Schett's only title of the year and the 13th title of her career. It was Schnyder's only title of the year and the 12th of her career.