Phyllodesmium rudmani is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Facelinidae.

The specific name rudmani is in honor of malacologist William B. Rudman.

The distribution of Phyllodesmium rudmani includes North Sulawesi, Indonesia and Luzon, the Philippines.

Its cerata are similar to (mimicry) closed polyps of soft coral of the genus Xenia.

[2] Phyllodesmium rudmani contain endosymbiotic zooxanthellae of the genus Symbiodinium.