| Official Name: | Fox Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Kendall County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Kendall County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Kendall |
| Area Total Sq Mi: | 36.64 |
| Area Land Sq Mi: | 36.17 |
| Area Water Sq Mi: | 0.47 |
| Area Water Percent: | 1.28 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 46.3 |
| Elevation Footnotes: | [1] |
| Elevation M: | 194 |
| Elevation Ft: | 636 |
| Coordinates: | 41.5897°N -88.5414°W |
| Blank Name: | FIPS code |
| Blank Info: | 17-093-27416 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0429022 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [2] |
| Population Est: | 1755 |
| Unit Pref: | Imperial |
Fox Township occupies the 6 mile square on the western edge of Kendall County, Illinois. As of the 2010 census, its population was 1,675 and it contained 619 housing units.[3] The township was named after the Fox River, which in turn was likely named after the Fox Tribe of southeastern Wisconsin.
According to the 2010 census, the township has a total area of, of which (or 98.72%) is land and (or 1.28%) is water.[3] It includes the villages of Millbrook and Millington.
The township is governed by an elected Town Board of a Supervisor and four Trustees. The Township also has an elected Assessor, Clerk, Highway Commissioner and Supervisor.