Tramea eurybia is a species of dragonfly in the family Libellulidae, known as the dune glider. It inhabits still waters on the Andaman Islands, Sumatra, Sulawesi, the Maluku Islands, New Guinea and Fiji; and can be found at dune lakes in eastern Australia. It is a medium-sized dragonfly with red, brown and black markings and a distinctive dark patch at the base of the hindwing.
Tramea eurybia appears similar to Tramea stenoloba.