Lophodoris danielsseni is a species of sea slug, a Dendronotid nudibranch, a marine gastropod mollusc in the family Goniodorididae.
[2] This species was first described from Norway.
It has subsequently been reported from a few localities between Bergen and Tromsø.
[3] This goniodorid nudibranch is white in colour.
[4] Lophodoris danielsseni feeds on bryozoans.