| Official Name: | Lake Township, Logan County, Ohio |
| Settlement Type: | Township |
| Mapsize: | 250px |
| Image Map1: | Map of Logan County Ohio Highlighting Lake Township.png |
| Mapsize1: | 250px |
| Map Caption1: | Location of Lake Township in Logan County |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | County |
| Subdivision Name2: | Logan |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 32.18 |
| Area Land Km2: | 32.16 |
| Area Water Km2: | 0.02 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 12774 |
| Population Density Km2: | auto |
| Population Density Sq Mi: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Footnotes: | [3] |
| Elevation Ft: | 1260 |
| Coordinates: | 40.3633°N -83.7569°W |
| Area Code: | 937, 326 |
| Blank Name: | FIPS code |
| Blank Info: | 39-41286[4] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1086485 |
Lake Township is one of the seventeen townships of Logan County, Ohio, United States. As of the 2020 census, the population was 12,774, making it the largest township in Logan County by population.
Located at the center of the county, it borders the following townships:
Most of the city of Bellefontaine, the county seat of Logan County, is located in Lake Township, occupying all but the northern, southeastern, and southwestern parts of the township.
Lake Township was organized in 1818.[5] The township took its name from Silver Lake, which is now located in Harrison Township.[6] Statewide, other Lake Townships are located in Ashland, Stark, and Wood counties.
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, 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.
Highways in Lake Township include U.S. Routes 33 and 68, and State Routes 47 and 540.