2004 Wien Energie Grand Prix

The 2004 Wien Energie Grand Prix was a tennis tournament played on outdoor clay courts. It was part of the Tier III series of the 2004 WTA Tour. It took place in Vienna, Austria, in late May 2004.

Singles
🇮🇱 Anna Smashnova-Pistolesi defeated 🇦🇺 Alicia Molik 6–2, 3–6, 6–2
 * It was Smashnova's 9th career title and her first in 2004

Doubles
🇺🇸 Martina Navratilova and 🇺🇸 Lisa Raymond defeated Cara Black and 🇦🇺 Rennae Stubbs, 6–2, 7–5
 * It was Navratilova's 174th career title and her first in 2004; it was Raymond's 43rd career title and her first in 2004.