Felimare fortunensis is a species of sea slug or dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.
This species was described from a specimen measuring 11 mm (0.43 in) collected at 6–22 m (20–72 ft) depth at Pointe Rivière Goyave, Guadeloupe, 16°08′23.98″N 61°32′59.46″W / 16.1399944°N 61.5498500°W / 16.1399944; -61.5498500 and a juvenile, 3 mm (0.12 in) long, from Port Louis, Guadeloupe.
