| Official Name: | Pioneer Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Missouri |
| Subdivision Type2: | County |
| Subdivision Name2: | Barry |
| Area Total Km2: | 23.54 |
| Area Land Km2: | 23.54 |
| Area Water Km2: | 0 |
| Area Total Sq Mi: | 9.09 |
| Area Land Sq Mi: | 9.09 |
| Area Water Sq Mi: | 0 |
| Area Water Percent: | 0 |
| Population As Of: | 2000 |
| Population Total: | 186 |
| Population Density Km2: | 7.9 |
| Population Density Sq Mi: | 20.5 |
| Elevation Footnotes: | [1] |
| Elevation M: | 366 |
| Elevation Ft: | 1201 |
| Coordinates: | 36.8333°N -94.0511°W |
| Blank Name: | FIPS code |
| Blank Info: | 29-57962[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0766265 |
Pioneer Township is one of twenty-five townships in Barry County, Missouri, United States. As of the 2000 census, its population was 186.
Pioneer Township covers an area of 9.09sqmi and contains no incorporated settlements.