Vietnam Military Merit Ribbon was the highest military decoration of South Vietnam during the years of the Vietnam War. Created in 1950.The United States military authorized the Vietnam Military Merit Ribbon as a foreign decoration and permitted the Ribbon to be worn on U.S. uniforms.

The Vietnam Military Merit Ribbon was last issued to U.S. personnel in 1973 and was discontinued after the fall of South Vietnam in 1975. The decoration is now only available through private dealers in military insignia.