2011 Open de Nice Côte d'Azur – Singles

Richard Gasquet was the defending champion, but chose not to compete in this year.

No.3 seed Nicolás Almagro won the tournament by defeating Romanian Victor Hănescu 6–7(5–7), 6–3, 6–3 in the final. It was the 10th ATP Tournament won by Nicolás Almagro in his career.

Seeds
The top four seeds received a bye into the second round. • # 🇪🇸 David Ferrer (quarterfinals)

• # 🇨🇿 Tomáš Berdych (semifinals)

• # 🇪🇸 Nicolás Almagro (champion)

• # 🇺🇸 Andy Roddick (withdrew due to shoulder injury)

• # 🇺🇦 Alexandr Dolgopolov (semifinals)

• # 🇨🇾 Marcos Baghdatis (first round)

• # 🇺🇦 Sergiy Stakhovsky (second round)

• # 🇮🇹 Fabio Fognini (first round)