Goniobranchus kuniei is a species of a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.

They are known from the western Pacific Ocean and eastern Indian Ocean, including Fiji, the Marshall Islands, Australia, Papua New Guinea, Indonesia, Malaysia, the Philippines, and Taiwan.

Its mantle also features a double border of purple and blue.

The body can reach a length of approximately 40 mm (1.6 in).

[5][6] This species likes waters that are 21–26 °C (70–79 °F) and is often found between 5 and 40 meters (16 and 131 ft).