Kryoryctes is a genus of prehistoric monotreme mammal from the Early Cretaceous (Albian) Eumeralla Formation of Victoria, Australia, from the Otway Group of Dinosaur Cove. It is known only from a partial right humerus, estimated at 106 million years old, and contains one species, K. cadburyi. The holotype, NMV P20894, was described in 2005 and is currently housed in the Museum Victoria Palaeontological Collection.