1999 Women's World Open Squash Championship

Women's World Open 1999
16th WISPA World Squash Championship
Location Seattle, United States
Date(s)October 16–24, 1999
WISPA World Tour
CategoryWorld Open
Prize money$80,000
Results
Champion Cassie Campion
Runner-up Michelle Martin
Semi-finalists Leilani Joyce
Natalie Grainger

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.