| Official Name: | Liberty Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Clarke |
| Area Total Km2: | 94.77 |
| Area Land Km2: | 94.66 |
| Area Water Km2: | 0.11 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 36.59 |
| Area Land Sq Mi: | 36.55 |
| Area Water Sq Mi: | 0.04 |
| Area Water Percent: | 0.12 |
| Population As Of: | 2000 |
| Population Total: | 373 |
| Population Density Km2: | 3.9 |
| Population Density Sq Mi: | 10.2 |
| Elevation M: | 280 |
| Elevation Ft: | 919 |
| Coordinates: | 41.1197°N -93.6125°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0468214 |
Liberty Township is a township in Clarke County, Iowa, USA. As of the 2000 census, its population was 373.
Liberty Township covers an area of 36.59sqmi and contains no incorporated settlements. According to the USGS, it contains five cemeteries: Bethel Chapel, Harrison, Liberty, Rhodes and Twyford.
The streams of Middle Otter Creek, North Otter Creek and Victory Creek run through this township.