Camillus

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