2003 Gerry Weber Open

2003 Gerry Weber Open
Date9–15 June
Edition11th
CategoryInternational Series
Draw32S / 16D
Prize money$775,000
SurfaceGrass / outdoor
LocationHalle, Germany
VenueGerry Weber Stadion
Champions
Singles
Roger Federer
Doubles
Jonas Björkman / Todd Woodbridge

The 2003 Gerry Weber Open was a men's tennis tournament played on grass courts at the Gerry Weber Stadion in Halle, North Rhine-Westphalia in Germany that was part of the International Series of the 2003 ATP Tour. It was the 11th edition of the tournament and was held from 9 June until 15 June 2003. First-seeded Roger Federer won the singles title.