| Official Name: | Hamblen Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Brown |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 64.92 |
| Area Land Sq Mi: | 63.97 |
| Area Water Sq Mi: | 0.95 |
| Population As Of: | 2020 |
| Population Total: | 4470 |
| Population Density Sq Mi: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Footnotes: | [1] |
| Elevation M: | 256 |
| Elevation Ft: | 840 |
| Coordinates: | 39.2828°N -86.1594°W |
| Area Code: | 812 & 930 |
| Blank Name: | FIPS code |
| Blank Info: | 18-30528[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 453363 |
Hamblen Township is one of four townships in Brown County, Indiana.[3] As of the 2020 census, its population was 4,470 (up from 4,336 at 2010[4]) and it contained 2,641 housing units.[5]
Hamblen Township was named for Job Hamblen, a pioneer settler.[6]
According to the 2010 census, the township has a total area of, of which (or 98.54%) is land and (or 1.46%) is water.[4]
(This list is based on USGS data and may include former settlements.)
The township contains six cemeteries: Anderson, Calvin, Duncan, Mount Moriah, Taylor and Zion Church.