The '''adjutant general of Illinois''' is the senior officer of the [[Illinois Army National Guard]] and the [[Illinois Air National Guard]]. The [[Illinois Naval Militia]] was also part of the adjutant general's command, until it was disbanded.
The post is currently vacant, following the retirement of Major General [[William Enyart]], the thirty-seventh adjutant general of Illinois.<ref></ref> Maj. Gen. Dennis Celletti is serving as acting [[State adjutants general|adjutant general]].<ref></ref>