Clypeus

Clypeus may refer to:
 * Clypeus (echinoderm), a fossil genus of echinoid
 * Clypeus Grit, a stratum in the Jurassic Inferior Oolite named for the echinoid
 * Clypeus (arthropod anatomy), a sclerite in an insect's exoskeleton
 * Clypeus (fungal), an anatomical component in some fungi