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

This disambiguation page lists articles associated with the title Camillus.
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