4th California Infantry Regiment
| 4th California Volunteer Infantry | |
|---|---|
Regimental color of the regiment | |
| Active | September 1861 to April 18, 1866 |
| Country | United States |
| Allegiance | Union |
| Branch | Infantry |
| Engagements | American Civil War
|
The 4th California Infantry was a volunteer infantry regiment recruited from northern California during the American Civil War. It was organized at Sacramento, Placerville, and Auburn in September and October 1861.