| Official Name: | Lewis Township, Brown County, Ohio |
| Settlement Type: | Township |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | County |
| Subdivision Name2: | Brown |
| Unit Pref: | Imperial |
| Area Total Km2: | 111.9 |
| Area Land Km2: | 110.3 |
| Area Water Km2: | 1.6 |
| Population As Of: | 2020 |
| Population Total: | 2393 |
| Population Density Km2: | auto |
| Population Density Sq Mi: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Footnotes: | [1] |
| Elevation M: | 262 |
| Elevation Ft: | 860 |
| Coordinates: | 38.8319°N -83.9914°W |
| Blank Name: | FIPS code |
| Blank Info: | 39-42910[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1085800 |
Lewis Township is one of the sixteen townships of Brown County, Ohio, United States. The 2020 census found 2,393 people in the township.[3]
Located in the southwestern corner of the county along the Ohio River, it borders the following townships:
Bracken County, Kentucky lies across the Ohio River to the south.
The village of Higginsport is located in southeastern Lewis Township, along the Ohio River, and the unincorporated community of Feesburg lies in the township's north.
It is the only Lewis Township statewide.[4]
Lewis Township was organized in 1807. Lewis is probably the name of a pioneer settler.[5]
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. Two are elected in the year after the presidential election and one is elected in the year before it. There is also an elected township fiscal officer,[6] 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. Vacancies in the fiscal officership or on the board of trustees are filled by the remaining trustees.