| Official Name: | Ionia 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: | 102.35 |
| Area Land Km2: | 102.24 |
| Area Water Km2: | 0.11 |
| Area Total Sq Mi: | 39.52 |
| Area Land Sq Mi: | 39.47 |
| Area Water Sq Mi: | 0.04 |
| Area Water Percent: | 0.11 |
| Population As Of: | 2000 |
| Population Total: | 100 |
| Population Density Km2: | 1 |
| Population Density Sq Mi: | 2.5 |
| Elevation M: | 482 |
| Elevation Ft: | 1581 |
| Coordinates: | 39.6994°N -98.3322°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0472090 |
Ionia Township is a township in Jewell County, Kansas, USA. As of the 2000 census, its population was 100.
Ionia Township covers an area of 39.52 square miles (102.35 square kilometers); of this, 0.04 square miles (0.11 square kilometers), or 0.11 percent, is water. The streams of Elm Creek and Gimlet Creek run through the township.
(This list is based on USGS data and may include former settlements.)
The township contains one cemetery, Ionia.