Roy Mitchell Wheat (July 24, 1947 – August 11, 1967) was a United States Marine who posthumously received the Medal of Honor for his actions in the Vietnam War.

[1] On August 11, 1967, Wheat and two other Marines were assigned to provide security for a Navy construction battalion crane and crew operating along Liberty Road in Dien Ban District, Quảng Nam Province.

After setting up in the tree line adjacent to the work site, Wheat searched the surrounding area for guerrilla fighters.

Hearing the distinctive hiss of the mine's fuse, Wheat shouted a warning to his two fellow Marines and then threw himself on the device, smothering its blast with his body.

[1] The President of the United States takes pride in presenting the MEDAL OF HONOR posthumously to for service as set forth in the following CITATION: For conspicuous gallantry and intrepidity at the risk of his life above and beyond the call of duty.

Wheat and 2 other marines were assigned the mission of providing security for a Navy construction battalion crane and crew operating along Liberty Road in the vicinity of the Dien Ban District, Quang Nam Province.

Wheat in a valiant act of heroism hurled himself upon the mine, absorbing the tremendous impact of the explosion with his body.