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

[2] This species can be found on the Pacific Ocean coast of North America from Bamfield, Vancouver Island, British Columbia to Islas Coronado, Baja California, Mexico.

[3][4] This species feeds on the hydroid Aglaophenia.

[3][5]