The 93rd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.

The 93rd Illinois Infantry was mustered into state service at Chicago, Illinois and mustered into Federal service on October 13, 1862.

The regiment was mustered out on June 23, 1865, and discharged at Chicago, Illinois, on July 7, 1865.

The regiment suffered 4 officers and 147 enlisted men who were killed in action or who died of their wounds and 1 officer and 147 enlisted men who died of disease, for a total of 294 fatalities.

This article about a specific military unit of the American Civil War is a stub.