| Official Name: | Allen 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: | 90.27 |
| Area Land Km2: | 90.25 |
| Area Water Km2: | 0.02 |
| Area Total Sq Mi: | 34.85 |
| Area Land Sq Mi: | 34.85 |
| Area Water Sq Mi: | 0.01 |
| Area Water Percent: | 0.02 |
| Population As Of: | 2000 |
| Population Total: | 43 |
| Population Density Km2: | 0.5 |
| Population Density Sq Mi: | 1.2 |
| Elevation M: | 525 |
| Elevation Ft: | 1722 |
| Coordinates: | 39.6014°N -98.9711°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0472110 |
Allen Township is a township in Jewell County, Kansas, USA. As of the 2000 census, its population was 43.
Allen Township covers an area of 34.85 square miles (90.27 square kilometers); of this, 0.01 square miles (0.02 square kilometers) or 0.02 percent is water. The streams of Dry Creek and Little Cheyenne Creek run through the township.
The township contains two cemeteries: Lutheran and West Hope.