| Official Name: | Wilcox Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Hancock County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Hancock County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Hancock |
| Established Title: | Established |
| Established Date: | November 15, 1855 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 21.04 |
| Area Land Sq Mi: | 20.12 |
| Area Water Sq Mi: | 0.92 |
| Area Water Percent: | 4.37 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 9.4 |
| Elevation M: | 189 |
| Elevation Ft: | 620 |
| Coordinates: | 40.3203°N -91.4219°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 62373, 62379 |
| Blank Name: | FIPS code |
| Blank Info: | 17-067-81607 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 184 |
Wilcox Township was a township in Hancock County, Illinois, USA. As of the 2010 census, its population was 189 and it contained 82 housing units.[2] It was formed from the rural portion of Warsaw Township on November 15, 1855, when that township became co-extensive with the city of Warsaw. In November 2016, the township voted to merge with Rocky Run Township due to low population. It is now part of Rocky Run-Wilcox Township.[3]
According to the 2010 census, the township has a total area of, of which (or 95.63%) is land and (or 4.37%) is water.[2]
The township contains Green Plains Cemetery.