Colonus may refer to:

Colonus (person), a tenant farmer from the late Roman Empire and Early Middle Ages Colonus (spider), a genus of jumping spiders Kolonos, a modern neighborhood in Athens Colonus (Attica) (also Hippeios Colonus, Colonus Hippius, Hippius Colonus), an ancient-Greece deme near Athens Agoraios Kolonos, a hill near the Temple of Hephaestus Kolonos Hill, a hill in Central Greece