Halone sinuata is a moth of the Arctiidae family. It was described by Wallengren in 1860. It is found in Australia.
The wingspan is about 20 mm. The forewings are dark brown with white speckles. The hindwings are yellow with a dark brown margin.
The larvae feed on moulds, lichen and algae. They rest during the day and feed at night. The larvae are speckled with light and dark grey and are covered with hairs.