| Harrison County Militia | |
|---|---|
| Active | 1801–1814 |
| Country | United States |
| Branch | Territorial Militia |
| Type | Mounted Rifle Company |
| Role | Scouts |
| Size | 60 men |
| Nickname(s) | Yellow Jackets |
| Engagements | Battle of Tippecanoe |
| Commanders | |
| 1801–1809 | Captain Spier Spencer |
The Yellow Jackets were a mounted militia company from Harrison County in the Indiana Territory. The company numbered sixty men and officers and saw action as part of the expeditionary force dispatched to put down the American Indian uprising during Tecumseh's War. The company saw additional service as part of a larger militia force that operated during the War of 1812.