| Official Name: | Liberty Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | O'Brien |
| Area Total Km2: | 93.61 |
| Area Land Km2: | 93.48 |
| Area Water Km2: | 0.13 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 36.14 |
| Area Land Sq Mi: | 36.09 |
| Area Water Sq Mi: | 0.05 |
| Area Water Percent: | 0.14 |
| Population As Of: | 2000 |
| Population Total: | 276 |
| Population Density Km2: | 3 |
| Population Density Sq Mi: | 7.6 |
| Elevation M: | 375 |
| Elevation Ft: | 1230 |
| Coordinates: | 43.0367°N -93.6772°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 50423, 50438, 50449 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0468218 |
Liberty Township is one of sixteen townships in Hancock County, Iowa, USA. As of the 2000 census, its population was 276.[1]
Liberty Township was originally called German Township, and under the latter name was organized in 1878.[2] It was originally settled chiefly by Germans, hence its former name.[3]
In the 20th century, German Township was renamed Liberty Township due to Anti-German sentiment during World War I.[4]
According to the United States Census Bureau, Liberty Township covers an area of 36.14 square miles (93.61 square kilometers); of this, 36.09 square miles (93.48 square kilometers, 99.86 percent) is land and 0.05 square miles (0.13 square kilometers, 0.14 percent) is water.
The township contains Liberty Cemetery.