ShieldAzure, on a bend Or three alerions of the field, in base a lion rampant of the second.
CrestThat for the regiments and separate battalions of the Army Reserve: On a wreath of the colors Or and Azure the Lexington Minute Man Proper. The statue of the Minute Man, Captain John Parker (H.H. Kitson, sculptor), stands on the Common in Lexington, Massachusetts.
MottoARMIS ET ANIMIS (By Arms and By Courage).
ShieldThe shield is blue for Infantry. The bend and alerions are taken from the coat of arms of Lorraine, but the tinctures are changed, and the lion represents service in the Picardy Sector.
CrestThe crest is that of the United States Army Reserve.
The coat of arms was originally approved for the 317th Infantry Regiment, Organized Reserves on 28 February 1927. It was redesignated for the 317th Airborne Infantry Regiment, Organized Reserve Corps on 23 April 1952. It was redesignated for the 317th Infantry Regiment, Organized Reserve Corps on 21 August 1952. The insignia was redesignated for the 317th Regiment, Army Reserve on 8 August 1960.