Parasynthemis regina is a species of dragonfly in the family Synthemistidae, known as the royal tigertail. It is a medium to large and slender dragonfly with a long body and black and yellow markings. It inhabits stagnant pools and swamps in eastern Australia
Parasynthemis regina was originally named Synthemis regina in 1874 by Edmond de Sélys Longchamps.