Liberty Township is one of sixteen townships in Hancock County, Iowa, USA.

[2][3] It was originally settled chiefly by Germans, hence its former name.

[4] In the 20th century, German Township was renamed Liberty Township due to Anti-German sentiment during World War I.

[3] 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.