Grimwald is a masculine given name of Old German origin. It is composed of the elements grimo meaning "mask" and walt meaning "power, authority." Thus, Grimwald can be interpreted as "masked power" or "powerful mask." The name was common among early medieval Germanic people, though it has since fallen out of common use.A notable historical figure bearing a variant of this name is Grimaldus, a 9th-century Frankish abbot and theologian associated with