| Type: | WSA |
| Number: | 12 |
| Series: | WSA U.S. Open |
| US Open 2011 | |
| Event Name: | Delaware Investments United States Open 2011 |
| Location: |  Philadelphia, Pennsylvania |
| Venue: | Daskalakis Athletic Center |
| Wsa Tier: | World Series Gold |
| Wsa Prize Money: | $60,000 |
| Wsa Year: | World Tour 2011 |
| Prevseason: | 2010 |
| Nextseason: | 2012 |
The Women's United States Squash Open 2011 is the women's edition of the 2011 United States Open (squash), which is a WSA World Series event Gold (prize money: $60 000). The event took place at the Daskalakis Athletic Center in Philadelphia, Pennsylvania in the United States from 30 September to 6 October. Laura Massaro won her first US Open trophy, beating Kasey Brown in the final.
For 2011, the prize purse was $60,000. The prize money and points breakdown is as follows:[1]
| width=200 colspan=1 bgcolor=#dfe2e9 | Event | width=80 bgcolor=lime | W | width=85 bgcolor=#D8BFD8 | F | width=85 bgcolor=#FFFF00 | SF | width=85 bgcolor=#ffebcd | QF | width=85 bgcolor=#afeeee | 1R |
| Points (WSA) | 3360 | 2310 | 1365 | 735 | 365.5 | ||||||
| Prize money | $9,500 | $6,500 | $4,250 | $2,625 | $1,500 |