The 2006 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 event took place in the Ulster Hall in Belfast, Northern Ireland from 22 to 26 November 2006. Nicol David won her second World Open title, beating Natalie Grinham in the final.

Ranking points

In 2006, the points breakdown were as follows:

Seeds

• # Nicol David (champion) • # Vanessa Atkinson (second round) • # 🇦🇺 Rachael Grinham (semifinals) • # 🇦🇺 Natalie Grinham (final) • # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Vicky Botwright (second round) • # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Jenny Duncalf (first round) • # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Tania Bailey (quarterfinals) • # 🇮🇪 Madeline Perry (quarterfinals) • # 🇪🇬 Omneya Abdel Kawy (quarterfinals) • # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Alison Waters (second round) • # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Laura Lengthorn-Massaro (second round) • # 🇪🇬 Engy Kheirallah (first round) • # 🇳🇿 Shelley Kitchen (second round) • # 🇺🇸 Natalie Grainger (semifinals) • # 🇭🇰 Rebecca Chiu (second round) • # Annelize Naudé (first round)

Draw & results

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