| Official Name: | Willow Hill Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Jasper County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Jasper County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Jasper |
| Established Title: | Established |
| Established Date: | November 8, 1859 |
| Area Total Sq Mi: | 34.16 |
| Area Land Sq Mi: | 34.13 |
| Area Water Sq Mi: | 0.03 |
| Area Water Percent: | 0.09 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 18.7 |
| Elevation M: | 150 |
| Elevation Ft: | 492 |
| Coordinates: | 38.9867°N -88.0122°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 62448, 62449, 62480 |
| Blank Name: | FIPS code |
| Blank Info: | 17-079-82023 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 631 |
| Unit Pref: | Imperial |
Willow Hill Township is one of eleven townships in Jasper County, Illinois, USA. As of the 2010 census, its population was 639 and it contained 279 housing units.[2]
According to the 2010 census, the township has a total area of, of which (or 99.91%) is land and (or 0.09%) is water.[2]
The township contains these four cemeteries: Edison, Miller, Shiloh and Todd.