Roya may refer to:
Williamia radiata nutata is a subspecies of small sea snail or saltwater limpet with a lung, a marine pulmonate gastropod mollusc in the family Siphonariidae, the marine pulmonate limpets.
Roya (English: dream, premonition or vision; (Persian: رویا, Turkish: rüya), is a female proper name, of Persian origin. It may also have German, Arian and European origins.