Dendronotus arcticus is a species of sea slugs, a dendronotid nudibranch, a shell-less marine gastropod mollusc in the family Dendronotidae.

[2] This species was described from four specimens collected together at 15 m depth in the Laptev Sea, 74°35′N 115°43′E / 74.583°N 115.717°E / 74.583; 115.717.

[1]