A. gigantea

A. gigantea may refer to:
 * Aechmea gigantea, a plant species endemic to Venezuela
 * Agathia gigantea, a moth species found in Java, Sumatra, Peninsular Malaysia and Borneo
 * Agrostis gigantea, the redtop, a perennial grass native to Europe
 * Aldabrachelys gigantea, a giant tortoise species of the Seychelles.
 * Aristolochia gigantea, the Brazilian Dutchman's pipe or giant pelican flower, an ornamental plant species
 * Arundinaria gigantea, a North American bamboo