Per fess Azure and Gules, in chief a giant cactus and a fleur-de-lis Or.
That for the regiments and separate battalions of the Kansas Army National Guard: On a wreath of the colors Or and Azure, a sunflower slipped Proper.
FAIRE SANS DIRE (To Do Without Saying).
The shield of blue and red denotes that the unit was originally Infantry, the blue being the Infantry color and red the Artillery. The cactus symbolizes Mexican border duty and the fleur-de-lis service in France during World War I, the gold charges in chief on the blue field indicating that the service was as Infantry.
The crest is that of the Kansas Army National Guard.
The coat of arms was originally approved for the 161st Field Artillery Regiment on 16 May 1928. It was redesignated for the 161st Field Artillery Battalion on 21 July 1942. It was redesignated for the 161st Armored Field Artillery Battalion on 28 April 1954. The insignia was redesignated for the 161st Artillery Regiment on 27 March 1961. It was redesignated for the 161st Field Artillery Regiment on 19 July 1972.