The 2009 GDF Suez Grand Prix was a women's tennis tournament played on outdoor clay courts.

It was the 15th edition of the Budapest Grand Prix, an International-level tournament on the 2009 WTA Tour.

Fourth-seeded Ágnes Szávay won the singles title.

Ágnes Szávay defeated Patty Schnyder, 2–6, 6–4, 6–2 Alisa Kleybanova / Monica Niculescu defeated Alona Bondarenko / Kateryna Bondarenko, 6–4, 7–6(7–5) * Seedings are based on the rankings of June 22, 2009.

The following players received wildcards into the singles main draw:[1] The following players received entry from the qualifying draw: The following players received the lucky loser spots: