Austroaeschna anacantha is a species of dragonfly belonging to the family Aeshnidae, known as the western darner. It is found in south-western Australia, where it inhabits rivers and streams.
Austroaeschna anacantha is a medium-sized to large dark dragonfly with pale markings. It appears similar to the multi-spotted darner, Austroaeschna multipunctata, which occurs in eastern Australia.