H. orientalis may refer to: Helleborus orientalis, a flowering plant species Heleophryne orientalis, the Eastern ghost frog, a frog species endemic to South Africa Huaxiagnathus orientalis, a theropod dinosaur species from the Lower Cretaceous of China Hyacinthus orientalis, the common hyacinth, garden hyacinth or Dutch hyacinth, a perennial flowering plant species native to southwestern Asia, in southern and central Turkey, northwestern Syria, Lebanon and northern Israel An orthographic variant of Halorubrum orientale, a halophilic archaeon.
See also Orientalis (disambiguation)