Ewald \e-wald, ewa-ld\ as a boy's name is of Old English origin, and the meaning of Ewald is "law-powerful". Ewald has 4 variant forms: Evald, Evaldo, Euell and Ewell. Baby names that sound like Ewald are Wald, Eilad, Elwood, Elado, Waldo, Waldi, Walid, Walt and Wild.