Nembrotha livingstonei is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Polyceridae.

[1] This species is known from the tropical Indo-Pacific Ocean.

Nembrotha livingstonei is a red-brown nembrothid that grows to at least 48 mm in length.

The body is marked with white, orange and brown spots.

Nembrotha livingstonei eats colonial ascidians.