1990 Women's World Open Squash Championship
| Women's World Open 1990 | |
|---|---|
| 8th WISPA World Squash Championship | |
| Location | Sydney, Australia |
| Date(s) | October 7–14, 1990 |
| WISPA World Tour | |
| Category | World Open |
| Results | |
| Champion | Susan Devoy |
| Runner-up | Martine Le Moignan |
| Semi-finalists | Danielle Drady Robyn Lambourne |
The 1990 Mazda Women's World Open Squash Championship was the women's edition of the 1990 World Open, which serves as the individual world championship for squash players. The early stages of the event took place at the Thornleigh Squash Centre with the quarter-finals onwards being held at the Homebush Sports Centre in Sydney, Australia between 7 October and 14 October 1990. Susan Devoy won her third World Open title, defeating Martine Le Moignan in the final.