Rhyothemis phyllis, known as the yellow-striped flutterer or yellow-barred flutterer, is a species of dragonfly of the family Libellulidae, widespread in South-east Asia, including Cambodia, China, India, Indonesia, Lao People's Democratic Republic, Malaysia, Myanmar, Singapore, Taiwan, Thailand, Vietnam, and northern Australia.
Rhyothemis phyllis is a small to medium-sized dragonfly, commonly found at open ponds or marshes, and swamp forests. Its flight is usually fluttering.
There are two known sub-species in Australia, Rhyothemis phyllis chloe <small>Kirby, 1894</small> and Rhyothemis phyllis beatricis <small>Lieftinck, 1942</small>.