The 2009 Ordina Open is a tennis tournament played on outdoor grass courts.

It is the 20th edition of the Ordina Open, and is part of the International Series of the 2009 ATP Tour, and of the WTA International tournaments of the 2009 WTA Tour.

Both the men's and the women's events take place at the Autotron park in Rosmalen, 's-Hertogenbosch, Netherlands, from 14 June through 20 June 2009.

Benjamin Becker and Tamarine Tanasugarn won the singles titles.

The following players received wildcards into the main draw: The following players received entry from the qualifying draw: The following players received wildcards into the main draw: The following players received entry from the qualifying draw: The following players got entry through the Lucky loser spot: Benjamin Becker defeated Raemon Sluiter, 7–5, 6–3 Tamarine Tanasugarn defeated Yanina Wickmayer, 6–3, 7–5 Wesley Moodie / Dick Norman defeated Johan Brunström / Jean-Julien Rojer, 7–6(7–3), 6–7(8–10), [10–5] Sara Errani / Flavia Pennetta defeated Michaëlla Krajicek / Yanina Wickmayer 6–4, 5–7, [13–11]