The 2011 UNICEF Open was a tennis tournament played on outdoor grass courts.

It was the 22nd edition of the UNICEF Open, and was part of the 250 Series of the 2011 ATP World Tour, and of the WTA International tournaments of the 2011 WTA Tour.

Both the men's and the women's events took place at the Autotron park in Rosmalen, 's-Hertogenbosch, Netherlands, from 12 June until 18 June 2011.

Dmitry Tursunov and Roberta Vinci won the singles title.

[1] Dmitry Tursunov defeated Ivan Dodig, 6–3, 6–2 Roberta Vinci defeated Jelena Dokić, 6–7(7–9), 6–3, 7–5 Daniele Bracciali / František Čermák defeated Robert Lindstedt / Horia Tecău, 6–3, 2–6, [10–8] Barbora Záhlavová-Strýcová / Klára Zakopalová defeated Dominika Cibulková / Flavia Pennetta, 1–6, 6–4, [10–7] The following players received wildcards into the main draw: The following qualified for the main draw: The following players received wildcards into the main draw: The following players received entry from the qualifying draw: