| Official Name: | Calvin Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Kansas |
| Subdivision Type2: | County |
| Subdivision Name2: | Jewell |
| Area Total Km2: | 81.4 |
| Area Land Km2: | 81.37 |
| Area Water Km2: | 0.04 |
| Area Total Sq Mi: | 31.43 |
| Area Land Sq Mi: | 31.42 |
| Area Water Sq Mi: | 0.01 |
| Area Water Percent: | 0.05 |
| Population As Of: | 2000 |
| Population Total: | 65 |
| Population Density Km2: | 0.8 |
| Population Density Sq Mi: | 2.1 |
| Elevation M: | 533 |
| Elevation Ft: | 1749 |
| Coordinates: | 39.6994°N -98.21°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0472100 |
Calvin Township is a township in Jewell County, Kansas, USA. As of the 2000 census, its population was 65.
Calvin Township covers an area of 31.43 square miles (81.4 square kilometers); of this, 0.01 square miles (0.04 square kilometers) or 0.05 percent is water.
The township contains one cemetery, McGehee.