| Official Name: | Township of Rhea's Mill |
| Settlement Type: | Township |
| Image Map1: | Map of Arkansas highlighting Washington County.svg |
| Mapsize1: | 200px |
| Map Caption1: | Location of Washington County in Arkansas |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Washington |
| Established Title: | Established |
| Established Date: | 1880-90[1] |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 16.4 |
| Area Land Sq Mi: | 16.2 |
| Area Water Sq Mi: | 0.2 |
| Population As Of: | 2000 |
| Population Total: | 480 |
| Population Density Sq Mi: | 30 |
| Elevation Ft: | 1175 |
| Coordinates: | 36.0181°N -94.3892°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Area Code: | 479 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 69801 |
Rhea's Mill Township (pronounced [2]) is one of thirty-seven townships in Washington County, Arkansas, USA.[3] As of the 2000 census, its total population was 480.
According to the United States Census Bureau, Rhea's Mill Township covers an area of 16.4sqmi, with 16.2sqmi of land and 0.2sqmi of water.[3]
The township contains Crawford Cemetery.
The township contains no state highways.