| Official Name: | Grant Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Vermilion |
| Established Title: | Created |
| Established Date: | 1862 |
| Area Total Sq Mi: | 86.69 |
| Area Land Sq Mi: | 86.66 |
| Area Water Sq Mi: | 0.03 |
| Area Water Percent: | 0.03 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 69.6 |
| Elevation M: | 212 |
| Elevation Ft: | 696 |
| Coordinates: | 40.4475°N -87.6458°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Blank Name: | FIPS code |
| Blank Info: | 17-183-30965 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 5781 |
| Unit Pref: | Imperial |
Grant Township is a township in Vermilion County, Illinois, USA. As of the 2010 census, its population was 6,028 and it contained 2,817 housing units.[2]
Grant Township was originally called Lyon Township but it was changed in 1862 to honor Ulysses S. Grant. He had just won a surrender by Confederate forces at Fort Donelson in Tennessee.[3]
According to the 2010 census, the township has a total area of, of which (or 99.97%) is land and (or 0.03%) is water.[2]
The township contains one cemetery, Redtop.