3rd Wisconsin Infantry Regiment

3rd Wisconsin Infantry Regiment
ActiveJune 19, 1861 – July 18, 1865
CountryUnited States
AllegianceUnion
BranchInfantry
SizeRegiment
EngagementsAmerican Civil War
Commanders
ColonelCharles Smith Hamilton
ColonelThomas H. Ruger
ColonelWilliam Hawley

The 3rd Wisconsin Infantry Regiment was a volunteer infantry regiment that served in the Union Army during the American Civil War. They participated in many significant battles in the eastern theater of the war, including Antietam and Gettysburg, but were then detached as part of the detail sent to New York to put down the New York City draft riots. They were then transferred to the western theater of the war with XII Corps and served in the Atlanta and Carolinas campaigns.