3rd Ohio Infantry Regiment

3rd Ohio Infantry Regiment
Active	1861–64
Country	United States
Allegiance	Union
Branch	Volunteer Army
Type	Infantry
Size	~1,000 soldiers at outset of the war
Engagements	Battle of Rich Mountain Battle of Cheat Mountain Tullahoma Campaign Battle of Perryville Battle of Stones River Streight's Raid Morgan's Raid
Commanders
Notable commanders	John Beatty, J. Warren Keifer

The 3rd Ohio Infantry Regiment (or 3rd OVI) was an infantry regiment in the Union Army during the American Civil War. It served in several important campaigns in the Western Theater in Kentucky, Tennessee, and Alabama.