Onchidoris macropompa is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusc in the family Onchidorididae.Bouchet, P. (2015). Onchidoris macropompa. In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2016-01-21.
Distribution This species was described from Starichkov Island, Kamchatka Peninsula on the Pacific Ocean coast of Russia. Additional specimens from Medny Island were included in the original description.
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