| Official Name: | Sappa 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: | 93.25 |
| Area Land Km2: | 93.21 |
| Area Water Km2: | 0.04 |
| Area Total Sq Mi: | 36 |
| Area Land Sq Mi: | 35.99 |
| Area Water Sq Mi: | 0.01 |
| Area Water Percent: | 0.04 |
| Population As Of: | 2000 |
| Population Total: | 43 |
| Population Density Km2: | 0.5 |
| Population Density Sq Mi: | 1.2 |
| Elevation M: | 836 |
| Elevation Ft: | 2743 |
| Coordinates: | 39.7833°N -100.6853°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0471007 |
Sappa Township is a township in Decatur County, Kansas, USA. As of the 2000 census, its population was 43.
Sappa Township covers an area of 36sqmi and contains no incorporated settlements.