Connecticut at the Battle of Gettysburg

Connecticut sent over 50,000 men to the Union Army in the Civil War, organized into 30 regiments of infantry, 1 of cavalry, and 2 of heavy artillery, as well as 3 batteries of light artillery. Of these, there were five Connecticut infantry regiments and one light artillery battery at the Battle of Gettysburg, a total of over 1,250 men.

One of the army's eight corps commanders, Major General John Sedgwick, was from Connecticut.