| Official Name: | Township of Boston |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Washington |
| Established Title: | Established |
| Established Date: | 1838 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 31.6 |
| Area Land Sq Mi: | 31.5 |
| Area Water Sq Mi: | 0.1 |
| Population As Of: | 2010 |
| Population Total: | 392 |
| Population Density Sq Mi: | 12.4 |
| Elevation Ft: | 1660 |
| Coordinates: | 35.8125°N -94.3875°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Area Code: | 479 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 69779 |
Boston Township is one of 37 townships in Washington County, Arkansas, USA.[1] As of the 2010 census, its unincorporated population was 392.
According to the United States Census Bureau, Boston Township covers an area of 31.6sqmi with 31.5sqmi of it land and 0.1sqmi of it water.[1]
The township contains Dobbs Cemetery and Garrett Creek Cemetery.
The township does not contain any state highways.