Eudonia inexoptata is a moth in the Crambidae family. It was described by Dyar in 1929. It is found in Mexico. The wingspan is 16–22 mm. The forewings are grey, irrorated with black scales. The inner line is pale, followed by a narrow black line. The terminal area is shaded with dark. The hinwings are pale sordid. Adults have been recorded on wing in June.