Acanthella dendyi is a marine sessile filter-feeder sponge in the family Dictyonellidae, first described by Patricia Bergquist in 1970 as Phakellia dendyi
In Australian waters it is found from Victorian coastal water, all the way up the east coast to Queensland and then all the way across the northern coasts to the north-west coast of Western Australia, at depths from 8âÂÂ180 m.