| Women's World Open 2004 | |
| Number: | 21 |
| Series: | WISPA World Squash Championship |
| Location: | Kuala Lumpur |
| Dates: | 7–11 December 2004 |
| Category: | WISPA World Open |
| Prize Money: | $72,500 |
| Champion: | Vanessa Atkinson |
| Runner-Up: |  Natalie Grinham |
| Semi-Finalists: | Nicol David Rachael Grinham |
| Prev: | 2003  |
| Next: | 2005 |
The 2004 Women's World Open Squash Championship is the women's edition of the 2004 World Open, which serves as the individual world championship for squash players. The event took place in Kuala Lumpur in Malaysia from 7 to 11 December 2004. Vanessa Atkinson won her first World Open trophy, beating Natalie Grinham in the final.