2004 Open 13
Date	23–29 February
Edition	12th
Category	International Series
Draw	32S / 16D
Prize money	$600,000
Surface	Hard / indoor
Location	Marseille, France
Venue	Palais des Sports de Marseille
Champions
Singles
Dominik Hrbatý[1]
Doubles
Mark Knowles / Daniel Nestor[2]
← 2003 · Open 13 · 2005 →

The 2004 Open 13 was a men's tennis tournament played on indoor hard courts at the Palais des Sports de Marseille in Marseille in France and was part of the International Series of the 2004 ATP Tour. It was the 12th of the tournament and was held from 23 February until 29 February 2004. Unseeded Dominik Hrbatý won the singles title.

Finals

Singles

Dominik Hrbatý defeated Robin Söderling 4–6, 6–4, 6–4

• It was Hrbatý's 3rd title of the year and the 8th of his career.

Doubles

Mark Knowles / Daniel Nestor defeated Martin Damm / Cyril Suk 7–5, 6–3

• It was Knowles's 1st title of the year and the 31st of his career. It was Nestor's 1st title of the year and the 33rd of his career.