| Official Name: | New Jasper Township, Greene County, Ohio |
| Settlement Type: | Township |
| Mapsize: | 250px |
| Coordinates: | 39.6558°N -83.8139°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name1: | Ohio |
| Subdivision Name2: | Greene |
| Unit Pref: | Imperial |
| Area Total Km2: | 56.0 |
| Area Land Km2: | 55.5 |
| Area Water Km2: | 0.5 |
| Elevation Footnotes: | [1] |
| Elevation M: | 311 |
| Elevation Ft: | 1020 |
| Population Total: | 2639 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Density Km2: | auto |
| Population Density Sq Mi: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Blank Name: | FIPS code |
| Blank Info: | 39-54810[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1086170 |
New Jasper Township is one of the twelve townships of Greene County, Ohio, United States. As of the 2020 census, the population was 2,639.
Located in the east central part of the county, it borders the following townships:
No municipalities are located in New Jasper Township, although part of the census-designated place of Shawnee Hills is located in the township's east.
New Jasper Township was established in 1853.[4]
It is the only New Jasper Township statewide.[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.