| Official Name: | Washington Township, Bremer County |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Bremer |
| Area Total Km2: | 51.16 |
| Area Land Km2: | 51.13 |
| Area Water Km2: | 0.02 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 19.75 |
| Area Land Sq Mi: | 19.74 |
| Area Water Sq Mi: | 0.01 |
| Population As Of: | 2010 |
| Population Total: | 607 |
| Population Density Km2: | 11.9 |
| Population Density Sq Mi: | 30.8 |
| Timezone: | Central |
| Utc Offset: | -6 |
| Timezone Dst: | Central |
| Utc Offset Dst: | -5 |
| Elevation Footnotes: | [1] |
| Elevation M: | 305 |
| Elevation Ft: | 1001 |
| Coordinates: | 42.7044°N -92.4872°W |
| Blank Name: | FIPS code |
| Blank Info: | 19-94455[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0468903 |
Washington Township is one of fourteen townships in Bremer County, Iowa, USA. At the 2010 census, its population was 607.[3]
Washington Township covers an area of 19.75sqmi and contains no incorporated settlements.