R. gigantea

R. gigantea may refer to:
 * Rhomborhina gigantea, a beetle species in the genus Rhomborhina
 * Rhynchostylis gigantea, an orchid species found in Myanmar and Thailand
 * Rivetina gigantea, a praying mantis species
 * Rosa gigantea, a rose species native to northeast India, northern Myanmar and southwest China