H. giganteus may refer to:
- Hagryphus giganteus, an oviraptorosaurian theropod dinosaur species from the Upper Cretaceous Period of what is now Utah
- Helianthus giganteus, the giant sunflower or tall sunflower, a plant species native to the eastern United States
- Hemidactylus giganteus, the giant leaf-toed gecko, a lizard species found in India
- Herpetosiphon giganteus, a bacterium species
- Hirundapus giganteus, the brown-backed needletail, a large swift species
Topics referred to by the same termThis disambiguation page lists articles associated with the same abbreviated species scientific name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: