H. spinosa

H. spinosa may refer to:
 * Halocynthia spinosa, a tunicate species in the genus Halocynthia
 * Harmothoe spinosa, a marine worm species in the genus Harmothoe
 * Harpactirella spinosa, a baboon spider species in the genus Harpactirella
 * Heosemys spinosa, a turtle species
 * Hippomane spinosa, a flowering plant species
 * Hormathophylla spinosa, a flowering plant species in the genus Hormathophylla
 * Hydroptila spinosa, a microcaddisfly species in the genus Hydroptila