| Official Name: | Bloomfield Township, Logan County, Ohio |
| Settlement Type: | Township |
| Mapsize: | 250px |
| Image Map1: | Map of Logan County Ohio Highlighting Bloomfield Township.png |
| Mapsize1: | 250px |
| Map Caption1: | Location of Bloomfield 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: | 59.12 |
| Area Land Sq Mi: | 59.08 |
| Area Water Sq Mi: | 0.04 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 417 |
| 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: | 1004 |
| Coordinates: | 40.4106°N -83.9672°W |
| Area Codes: | 937, 326 |
| Blank Name: | FIPS code |
| Blank Info: | 39-07118[4] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1086481 |
Bloomfield Township is one of the seventeen townships of Logan County, Ohio, United States. As of the 2020 census the population was 417, making Bloomfield the smallest township in Logan County by population.
Located in the western part of the county, it borders the following townships:
No municipalities are located within Bloomfield Township.
Bloomfield Township was organized in 1832.[5] Statewide, other Bloomfield Townships are located in Jackson and Trumbull 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.
State Route 274 passes through the northern part of Bloomfield Township.