Charles Adrien Prosper Caïez d'Épinay (13 July 1836, Pamplemousses, Mauritius - 23 September 1914, Saint-Cyr-sur-Loire) was a French sculptor and caricaturist (under the name Nemo).
Many of his clients were from the nobility and royalty.
He was sometimes referred to as the "sculpteur de souveraines" (sculptor of sovereigns).