Corinth Township is one of twelve townships in Humboldt County, Iowa, United States. As of the 2000 census, its unincorporated population was 366. Corinth Township also contains most of the largest town in Humboldt County, Humboldt.
Corinth Township was organized in 1879.
According to the United States Census Bureau, Corinth Township covers an area of ; of this, is land and is water.
The township contains Indian Mound Cemetery, Oakwood Cemetery, and Our Saviors Cemetery. St. Mary's Cemetery is located within the Humboldt city limits.