| Official Name: | Township of Brush Creek |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Washington |
| Established Title: | Established |
| Established Date: | before 1836[1] |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 39.04 |
| Area Land Sq Mi: | 36.96 |
| Area Water Sq Mi: | 2.08 |
| Population As Of: | 2010 |
| Population Total: | 2,877 |
| Population Density Sq Mi: | 77.8 |
| Elevation Ft: | 1316 |
| Coordinates: | 36.1917°N -93.9628°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Area Code: | 479 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 69780 |
Brush Creek Township is one of 37 townships in Washington County, Arkansas, USA.[2] As of the 2010 census, its unincorporated population was 2,877.
According to the United States Census Bureau, Brush Creek Township covers an area of 36.96sqmi of land and 2.08sqmi of water for 39.04sqmi in total area.[2] Brush Creek Township gave some area up to Goshen Township in 1879.
The township contains Joyce Cemetery and Morriss Cemetery.