Cechenena helops is a moth of the family Sphingidae first described by Francis Walker in 1856. It is found in Malaysia (Peninsular, Sarawak, Sabah), Indonesia (Sumatra, Java, Kalimantan, Seram, Papua New Guinea), the Philippines (Palawan, Balabac), Nepal, north-eastern India, Thailand, south-western China and Vietnam.
Their wingspan is . Adults are grey green with a large oval olive-brown spot at the base of the forewing upperside.
Larvae have been recorded feeding on Tetracera species.