| Chicago Women's Open | |
| Founded: | 2021 |
| City: | Chicago |
| Country: | United States |
| Venue: | XS Tennis Village |
| Tier: | WTA 250 |
| Surface: | Hard |
| Draw: | 32S / 16Q / 16D |
| Prize Money: | $235,238 |
| Completed Event: | 2021 |
| Women's Singles: |  Elina Svitolina |
| Women's Doubles: | Nadiia Kichenok  Raluca Olaru |
| Website: | Chicago Women's Open |
The Chicago Women's Open was a tennis tournament held in Chicago, Illinois for female professional tennis players, whose first edition was part of the 2021 WTA Tour.[1] It is held on outdoor hard courts one week prior to the US Open.