Townsend Township is one of the nineteen townships of Huron County, Ohio, United States. As of the 2020 census the population of the township was 1,571.

Huron County is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 58,565. Its county seat is Norwalk. The county was created in 1809 and later organized in 1815.