| Official Name: | Dayton Township, Bremer County |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Bremer |
| Area Total Km2: | 94.86 |
| Area Land Km2: | 94.55 |
| Area Water Km2: | 0.31 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 36.63 |
| Area Land Sq Mi: | 36.51 |
| Area Water Sq Mi: | 0.12 |
| Population As Of: | 2010 |
| Population Total: | 380 |
| Population Density Km2: | 4.0 |
| Population Density Sq Mi: | 10.4 |
| Timezone: | Central |
| Utc Offset: | -6 |
| Timezone Dst: | Central |
| Utc Offset Dst: | -5 |
| Elevation Footnotes: | [1] |
| Elevation M: | 321 |
| Elevation Ft: | 1053 |
| Coordinates: | 42.7747°N -92.1361°W |
| Blank Name: | FIPS code |
| Blank Info: | 19-90900[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0467682 |
Dayton Township is one of fourteen townships in Bremer County, Iowa, United States. At the 2010 census, its population was 380.[3]
Dayton Township covers an area of 36.63sqmi and contains no incorporated settlements. According to the USGS, it contains two cemeteries: Saint Johns Evangelical Lutheran and Saint Pauls United Church of Christ.