| Official Name: | Allison Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Kansas |
| Subdivision Type2: | County |
| Subdivision Name2: | Decatur |
| Area Total Km2: | 92.79 |
| Area Land Km2: | 92.78 |
| Area Water Km2: | 0.01 |
| Area Total Sq Mi: | 35.83 |
| Area Land Sq Mi: | 35.82 |
| Area Water Sq Mi: | 0 |
| Area Water Percent: | 0.01 |
| Population As Of: | 2000 |
| Population Total: | 39 |
| Population Density Km2: | 0.4 |
| Population Density Sq Mi: | 1.1 |
| Elevation M: | 774 |
| Elevation Ft: | 2539 |
| Coordinates: | 39.6°N -100.2197°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0471079 |
Allison Township is a township in Decatur County, Kansas, USA. As of the 2000 census, its population was 39.
Allison Township covers an area of 35.83sqmi and contains no incorporated settlements.