| Official Name: | Dayton Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Chickasaw |
| Area Total Km2: | 94.95 |
| Area Land Km2: | 94.83 |
| Area Water Km2: | 0.12 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 36.66 |
| Area Land Sq Mi: | 36.61 |
| Area Water Sq Mi: | 0.05 |
| Area Water Percent: | 0.13 |
| Population As Of: | 2000 |
| Population Total: | 1752 |
| Population Density Km2: | 18.5 |
| Population Density Sq Mi: | 47.9 |
| Elevation M: | 326 |
| Elevation Ft: | 1070 |
| Coordinates: | 43.0381°N -92.3758°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0467685 |
Dayton Township is one of twelve townships in Chickasaw County, Iowa, United States. As of the 2000 census, its population was 1,752.
Dayton Township was organized in 1859. It is named for William L. Dayton.[1]
Dayton Township covers an area of 36.66sqmi and contains no incorporated settlements. According to the USGS, it contains three cemeteries: Children of Israel, New Hampton and Saint Marys.
The stream of Spring Branch runs through this township.