Elaphostrongylus is a genus of parasitic nematodes in the family Protostrongylidae.
Intermediate hosts of Elaphostrongylus spp. are terrestrial gastropods and they include:
Experimental hosts of Elaphostrongylus spp. can also be freshwater snails. For example Lymnaea stagnalis has been experimentally infected with Elaphostrongylus rangiferi.
Elaphostrongylus spp. causes cerebral nematodiasis. Definitive host include Cervidae: moose Alces alces, Cervus elaphus and reindeer Rangifer tarandus.