| Official Name: | Grant Township, Carroll County |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Carroll |
| Area Total Km2: | 87.77 |
| Area Land Km2: | 87.24 |
| Area Water Km2: | 0.54 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 33.89 |
| Area Land Sq Mi: | 33.68 |
| Area Water Sq Mi: | 0.21 |
| Population As Of: | 2000 |
| Population Total: | 462 |
| Population Density Km2: | 5.3 |
| Population Density Sq Mi: | 13.7 |
| Elevation Footnotes: | [1] |
| Elevation M: | 380 |
| Elevation Ft: | 1247 |
| Coordinates: | 42.0781°N -94.7956°W |
| Blank Name: | FIPS code |
| Blank Info: | 19-91635[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0467932 |
Grant Township is one of eighteen townships in Carroll County, Iowa, USA. As of the 2000 census, its population was 462.
Grant Township covers an area of 33.89sqmi and contains no incorporated settlements. According to the USGS, it contains one cemetery, Holy Family.