Eudonia asaleuta is a moth of the Crambidae family. It was described by Meyrick in 1907. It is found in New Zealand. The wingspan is 21–23 mm. The forewings are iridescent pale ochreous mixed with dark bluish-grey, suffused or irrorated with white. The hindwings are pale greyish-ochreous, with suffused dark-grey terminal fascia.