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

This species was named after the nudibranch enthusiast Michael D.

14 in East Africa which may be a form of Nembrotha milleri.

A different color form with pale yellowish green background has been observed around Taiwan.

Nembrotha milleri feeds on ascidians and tunicates.