ShieldAzure, billette Or, a wolverine sejant guardant erect Argent.
CrestThat for the regiments and separate battalions of the Army Reserve: On a wreath of the colors Argent 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.
MottoVIS ET VIRTUS (Strength and Courage).
ShieldThe shield is blue for Infantry. The gold billettes are taken from the arms of Nevers, the capital of the Department of Nievre, Cosne, the first locations where the Regiment was billeted in the War Zone, being in the Department of Nievre. The wolverine represents Michigan, the location of the 337th Infantry in 1921.
CrestThe crest is that of the United States Army Reserve.
The coat of arms was originally approved for the 337th Infantry Regiment on 15 June 1926. It was redesignated for the 337th Regiment on 8 August 1960.