1999 Women's World Open Squash Championship

The 1999 Women's World Open Squash Championship was the women's edition of the 1999 World Open, which serves as the individual world championship for squash players. The event took place in Seattle in the United States from 16 October until 24 October 1999. Cassie Campion won the World Open title, defeating Michelle Martin in the final.

Seeds
• # 🇦🇺 Michelle Martin (final)

• # 🇳🇿 Leilani Joyce (semifinals)

• # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Natalie Grainger (semifinals)

• # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Cassie Campion (champion)

• # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Suzanne Horner (quarterfinals)

• # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Linda Charman (quarterfinals)

• # unknown

• # 🇩🇪 Sabine Schoene (second round)

• # 🇦🇺 Carol Owens (quarterfinals)

• # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Fiona Geaves (second round)

• # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Stephanie Brind (second round)

• # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Rebecca Macree (second round)

• # Claire Nitch (first round)

• # 🇦🇺 Liz Irving (second round)

• # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Jenny Tranfield (second round)

• # Vanessa Atkinson (second round)