2003 Open de Moselle
Date	29 September – 5 October
Edition	1st
Category	International Series
Draw	32S / 16D
Prize money	$355,000
Surface	Hard / indoor
Location	Metz, France
Venue	Arènes de Metz
Champions
Singles
Arnaud Clément[1]
Doubles
Julien Benneteau / Nicolas Mahut[2]
Open de Moselle · 2004 →

The 2003 Open de Moselle was a men's tennis tournament played on indoor hard courts at the Arènes de Metz in Metz, France and was part of the International Series of the 2003 ATP Tour. It was the inaugural edition of the tournament and was held from 29 September until 5 October 2003. Fourth-seeded Arnaud Clément won the singles title.

Finals

Singles

Arnaud Clément defeated Fernando González 6–3, 1–6, 6–3

• It was Clément's only title of the year and the 4th of his career.

Doubles

Julien Benneteau / Nicolas Mahut defeated Michaël Llodra / Fabrice Santoro 7–6^(7–2), 6–3

• It was Benneteau's only title of the year and the 1st of his career. It was Mahut's only title of the year and the 1st of his career.