Polycera norvegica, is a sea slug, a species of dorid nudibranch.

This nudibranch is described from Norway and DNA-determined from Scotland where it is sympatric with Polycera quadrilineata with which it has previously been confused.

Polycera norvegica is a smooth-bodied nudibranch with two colour morphs.

The ground colour is translucent white with yellow or orange tubercles which may unite into lines along the mantle margin and midline of the body.

The gills and rhinophores are translucent white, tipped with yellow.