The genus name Colus may refer to:

  • Animalia:
    • Colus Röding, 1798 (Gastropoda, Buccinidae)
    • Colus Wagner, 1844, junior homonym = synonym of Saiga Gray, 1843 (Mammalia, Bovidae)
  • Fungi:
    • Colus Cavalier & Séchier (1835) (Agaricomycetes, Phallaceae)