The 2011 Open GDF Suez de Biarritz – Singles was the singles event of the Open GDF Suez de Biarritz, a professional women's tennis tournament played on outdoor clay courts in Biarritz, France.

Julia Görges, the defending champion, chose not to participate.

Pauline Parmentier won the singles final, defeating Patricia Mayr-Achleitner 1–6, 6–4, 6–4.

Seeds

Draw

Finals

Top half

Bottom half

References Main Draw Qualifying Draw