| Official Name: | Massie Township, Warren 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: | Warren |
| Unit Pref: | Imperial |
| Area Total Km2: | 55.0 |
| Area Land Km2: | 43.8 |
| Area Water Km2: | 11.2 |
| Area Total Sq Mi: | 21.2 |
| Area Land Sq Mi: | 16.9 |
| Area Water Sq Mi: | 4.3 |
| Population As Of: | 2020 |
| Population Total: | 1195[1] |
| Population Density Km2: | 24.2 |
| Population Density Sq Mi: | 62.7 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Footnotes: | [2] |
| Elevation M: | 271 |
| Elevation Ft: | 889 |
| Coordinates: | 39.4928°N -84.0119°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 45032 |
| Area Code: | 513 |
| Blank Name: | FIPS code |
| Blank Info: | 39-48216[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1087118 |
Massie Township, one of the eleven townships of Warren County, Ohio, United States, is located in the northeast part of the county and is the least populous of Warren County's townships. The population was 1,195 as of the 2020 census. It is the home of the Ohio Renaissance Festival and Caesar Creek State Park.
Located in the northeastern part of the county, it borders the following townships:
The village of Harveysburg is the only municipality within the township.
Massie Township was organized in 1850, and named for General Nathaniel Massie.[4]
A large part of the township was submerged in the 1960s and 1970s with the damming of Caesars Creek by the U.S. Army Corps of Engineers.
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,[5] 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.
The township is mostly in the Clinton-Massie Local School District but a part is in the Wayne Local School District.
Massie Township is in the Waynesville and Clarksville telephone exchanges.
Massie Township Fire Department, a volunteer fire department, serves Massie Township. It is composed of sixteen firefighters based at a single station.[6]