C. spectabilis may refer to:
Carex spectabilis, a sedge species Cattleya pumila, an orchid species Celeus spectabilis, the rufous-headed woodpecker, a bird species Celmisia spectabilis, a flowering plant species Chionothremma spectabilis, a moth species Chrysolopus spectabilis, a weevil species Corolla spectabilis, a sea butterfly species Costus spectabilis, a plant species
Synonyms Callichroma spectabilis, a synonym of Callichroma velutinum, a beetle species Cosmos spectabilis, a synonym of Cosmos bipinnatus, a flowering plant species