The 2009 Women's World Open Squash Championship is the women's edition of the World Open, which serves as the individual world championship for squash players. The championship is part of the WISPA Platinum series of the Women's International Squash Players' Association (WISPA) World Tour. The event took place in Amsterdam in the Netherlands from 20 to 27 September 2009.

Ranking points

In 2009, the points breakdown were as follows:

Seeds

• # Nicol David (champion) • # Natalie Grinham (final) • # 🇦🇺 Rachael Grinham (semifinals) • # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Alison Waters (semifinals) • # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Jenny Duncalf (quarterfinals) • # 🇪🇬 Omneya Abdel Kawy (quarterfinals) • # 🇮🇪 Madeline Perry (quarterfinals) • # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Laura Lengthorn-Massaro (quarterfinals) • # 🇫🇷 Isabelle Stoehr (first round) • # 🇦🇺 Kasey Brown (second round) • # Vanessa Atkinson (second round) • # 🇭🇰 Annie Au (second round) • # 🇭🇰 Rebecca Chiu (second round) • # 🇳🇿 Jaclyn Hawkes (first round) • # 🇲🇽 Samantha Terán (second round) • # 🇪🇬 Raneem El Weleily (second round)

Draw and results

Note: * Q = Qualifier, * WC = Wild Card, * w/o = Walkover, * r = Retired