Gymnodoris ceylonica is a species of sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Polyceridae.
Gymnodoris ceylonica has a translucent white body which is covered with many orange spots. It has translucent orange-lined white gills and orange rhinophores. The foot is translucent white and edged with an orange margin.
This species occurs in the tropical Indo-Pacific Ocean.
