Sameodes cancellalis is a species of moth of the Crambidae family. It has a wide distribution and has been recorded from India, Sri Lanka, Nepal, Burma, Thailand, Indochina, Taiwan, Japan, China, Indonesia, Malaysia, the Philippines, New Guinea, western and southern Africa, Fiji, the Cook Islands and Australia (Queensland). The wingspan is about 20 mm. Adults are brown, with white spots partly outlined in black on the forewings, and white bands across the hindwings.