| Official Name: | Hamilton Township |
| Settlement Type: | Township |
| Pushpin Map: | Arkansas |
| Pushpin Label: | Hamilton Township |
| Pushpin Label Position: | top |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Lonoke |
| Established Title: | Established |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 37.25 |
| Area Land Sq Mi: | 36.8 |
| Area Water Sq Mi: | 0.45 |
| Population As Of: | 2010 |
| Population Total: | 148 |
| Population Density Sq Mi: | 4 |
| Elevation M: | 65 |
| Coordinates: | 34.6376°N -91.7126°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP code |
| Postal Code: | 72730 |
| Area Code: | 870 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 68822 |
The Township of Hamilton is one of twenty-nine townships in Lonoke County, Arkansas, USA. As of the 2010 census, its population was 148.[1]
According to the United States Census Bureau, Hamilton Township covers an area of 96.5sqkm, with 95.3sqkm of it being land and 1.2sqkm of it, or 1.20%, being water.
The township contains Hamilton Cemetery.