Gnathodon may refer to:
Golden trevally (Gnathanodon speciosus) named by Peter Forsskål in 1775
as well as the synonyms
Odontaster a genus of seastars has the junior synonym of Gnathodon coined by Verrill in 1899 Rangia a genus of bivalves which has the junior synonym of Gnathodon coined by Desmoulins in 1832 Tooth-billed pigeon which was called Gnathodon strigirostris by Jardine, in 1845