List of United States military bases in Illinois is a listing of current United States military installations located in the State of Illinois.

Air Force Scott Air Force Base, Shiloh, Illinois (Home to USTRANSCOM, AMC, and multiple wings (375th AMW, 126th ARW, 932nd AW) Springfield Air National Guard Base, Illinois (Home of the 183rd Wing of the Illinois Air National Guard) Peoria Air National Guard Base, Illinois (Home of the 182nd Airlift Wing of the Illinois Air National Guard)

Army Rock Island Arsenal, Rock Island, Illinois

Navy Naval Station Great Lakes, North Chicago, Illinois

See also List of United States military bases List of United States Army installations List of United States Navy installations List of United States Air Force installations List of United States Marine Corps installations