Sleep Princess (disambiguation)

Sleep Princess may refer to:
 * Margarita Blankenheim, the sinner of Sloth and one of Eve Moonlit's incarnations.
 * Michelle Marlon, daughter of Gallerian Marlon who made a contract with Eve and assumed Margarita's identity.
 * Elluka Clockworker, who used the codename while first infiltrating Père Noël.