The 81st Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 85th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 86th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 87th Regiment Illinois Volunteer Infantry, later the 87th Regiment Illinois Volunteer Mounted Infantry, was an infantry regiment that served in the Union Army during the American Civil War.
The 90th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 29th Regiment Illinois Volunteer Infantry was an infantry regiment that
The 31st Regiment Illinois Volunteer Infantry, nicknamed the "Dirty-First," was an infantry regiment that served in the Union Army during the American Civil War.
The 12th Illinois Infantry Regiment, also known as the 1st Scotch Regiment, was an infantry regiment that served in the Union Army between May 2, 1861 and July 18, 1865, during the American Civil War.
The 32nd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 35th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 16th Regiment Illinois Volunteer Infantry, nicknamed "The Twins" for its long association with the 10th Illinois, was an infantry regiment that served in the Union Army during the American Civil War.
The 20th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 22nd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 130th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 43rd Regiment Illinois Volunteer Infantry, known as the "Koerner Regiment" after Gustav Körner, was an infantry regiment that served in the Union Army during the American Civil War.
The 46th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 49th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 51st Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 53rd Regiment Illinois Volunteer Infantry was an infantry regiment from Illinois that served in the Union Army during the American Civil War. The regiment fought at Shiloh, Hatchie's Bridge, Vicksburg, the March to the Sea, the Carolinas campaign, and Bentonville. After the war ended, it participated in the Grand Review of the Armies before being mustered out of service.
The 48th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
