Lestoidea barbarae is a species of Australian damselfly in the family Lestoideidae, commonly known as a large bluestreak. It has only been recorded from the vicinity of Wooroonooran National Park, in north-east Queensland, where it inhabits streams in rainforest.
Lestoidea barbarae is a medium-sized to large damselfly, dark coloured with dull orange to greenish markings.
In 1967, named this species of dragonfly, barbarae, for his wife, Barbara.