Olous or Olus (Ancient Greek: Ὄλους, or Ὄλουλις) was a city of ancient Crete; now sunken, it was situated at the present day town of Elounda, Crete, Greece. According to the Stadiasmus Maris Magni, it had a harbour and was located 260 stadia from Chersonasus and 15 stadia from Camara.