| Official Name: | Butler Township, Butler County |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Butler |
| Area Total Km2: | 94.66 |
| Area Land Km2: | 94.2 |
| Area Water Km2: | 0.46 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 36.55 |
| Area Land Sq Mi: | 36.37 |
| Area Water Sq Mi: | 0.18 |
| Population As Of: | 2020 |
| Population Total: | 1567 |
| Population Density Km2: | 16.6 |
| Population Density Sq Mi: | 42.9 |
| Elevation Footnotes: | [1] |
| Elevation M: | 296 |
| Elevation Ft: | 971 |
| Coordinates: | 42.7744°N -92.6133°W |
| Blank Name: | FIPS code |
| Blank Info: | 19-90420[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0467513 |
Butler Township is one of sixteen townships in Butler County, Iowa, United States. As of the 2020 census, its population was 1,567.[3]
Butler Township covers an area of 36.55sqmi and contains one incorporated settlement, Clarksville. According to the USGS, it contains four cemeteries: Antioch, Lowell, Old and Old Town.