C. occultus may refer to: Centropogon occultus, a species of flowering plant Chlaenius occultus, a species of beetle Chthonius occultus, a species of pseudoscorpion in the genus Chthonius Copelatus occultus, a species of beetle Cryptoerithus occultus, a species of spider in the genus Cryptoerithus Ctenomys occultus, a species of rodent