Camillus may refer to: A young assistant in religious ritual in ancient Rome Camillus (feminine Camilla), a cognomen in ancient Rome A hereditary cognomen in the gens Furia Marcus Furius Camillus A given name derived from the cognomen, see Camille (disambiguation) Camillus, New York may refer to either of the following jurisdictions in Onondaga County: Camillus, New York Camillus (village), New York, wholly contained within the town Camillus Cutlery Company