John Keenan | |
|---|---|
| Born | 1840s Ireland |
| Died | March 18, 1906 |
| Allegiance |  United States of America |
| Service |  United States Army |
| Rank | Private |
| Unit |  38th Ohio Infantry8th Cavalry Regiment |
| Battles / wars | American Civil War Indian Wars |
| Awards | Medal of Honor |
John Keenan (1840s–March 18, 1906) was a United States Army soldier and a recipient of the United States military's highest decoration, the Medal of Honor, for his actions in the Indian Wars of the western United States involving "bravery in scouts and actions against Indians.