Jabarkan Halticosaurus Hanssuesia "Hanwulosaurus" dari Daftar genus dinosaurus

Haplocanthosaurus "Haplocanthus" – preoccupied name, now known as Haplocanthosaurus Haplocheirus Harpymimus Haya Hecatasaurus – junior synonym of Telmatosaurus "Heilongjiangosaurus"

Heishansaurus – junior synonym of Pinacosaurus Helioceratops "Helopus" – preoccupied name, now known as Euhelopus Heptasteornis Herbstosaurus – actually a pterosaur

Herrerasaurus Hesperonychus Hesperosaurus Heterodontosaurus Heterosaurus – junior synonym of Iguanodon Hexing Hexinlusaurus Heyuannia Hierosaurus – junior synonym of Nodosaurus Hikanodon – junior synonym of Iguanodon Yaverlandia Yaxartosaurus – misspelling of Jaxartosaurus "Yezosaurus" ; non-dinosaurian