New Haven Township is one of the nineteen townships of Huron County, Ohio, United States.

Located on the southern edge of the county, it borders the following townships: Several populated places are located in or adjacent to New Haven Township: New Haven Township was established in 1815.

[4] The township is named after New Haven, Connecticut, the native home of a share of the early settlers.

[6] The township is governed by a three-member board of trustees, who are elected in November of odd-numbered years to a four-year term beginning on the following January 1.

There is also an elected township fiscal officer,[7] who serves a four-year term beginning on April 1 of the year after the election, which is held in November of the year before the presidential election.