2009 Grand Prix de Tennis de Lyon – Singles

Robin Söderling was the defending champion, but he decided not to compete this year.

Ivan Ljubičić defeated Michaël Llodra 7–5, 6–3 in the final.

Seeds
• # 🇫🇷 Jo-Wilfried Tsonga (quarterfinals)

• # 🇫🇷 Gilles Simon (semifinals)

• # Ivan Ljubičić (champion)

• # 🇦🇷 Juan Mónaco (second round)

• # 🇫🇷 Julien Benneteau (quarterfinals)

• # 🇫🇷 Paul-Henri Mathieu (second round)

• # 🇩🇪 Benjamin Becker (second round)

• # 🇪🇸 Albert Montañés (second round)

Seeds
• # Kevin Anderson (qualified)

• # 🇫🇷 Laurent Recouderc (qualifying competition)

• # 🇫🇷 Sébastien de Chaunac (second round)

• # 🇫🇷 Thierry Ascione (second round)

• # 🇪🇸 Albert Ramos Viñolas (second round)

• # 🇫🇷 David Guez (qualified)

• # 🇪🇨 Giovanni Lapentti (first round)

• # 🇫🇷 Vincent Millot (qualified)

Qualifiers
• # Kevin Anderson

• # 🇫🇷 David Guez

• # 🇫🇷 Jérôme Haehnel

• # 🇫🇷 Vincent Millot