Phyllidiella rudmani is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Phyllidiidae.

[2] This species was described from Papua New Guinea with additional specimens from Fiji, Solomon Islands, Taiwan, Thailand and the Great Barrier Reef, Queensland.

[3] This nudibranch has a pale pink dorsum with white-capped tubercles.

The rhinophores are black with a pink base.

[3] This species feeds on the sponge Phakellia sp.