Chicago Union
| Sport | Ultimate |
|---|---|
| Founded | 2013 |
| Division | Central |
| Based in | Chicago, Illinois |
| Stadium | 2017–2021 Langhurst Field 2021–2023 De La Salle Institute 2024-present Martin Stadium |
| Colors | Light Blue, White, and Red |
| Head coach | Dave Woods |
| Website | watchufa |
The Chicago Union are a professional ultimate team based in Chicago, Illinois. The Union compete in the Ultimate Frisbee Association (UFA) as a member of the Central Division. The team was originally branded as the Windy City Wildfire. In their first year, the Wildfire had the best record in the then-Midwest Division and qualified for the playoffs in its first three seasons. They play home games at Martin Stadium on the campus of Northwestern University.