SS Heraklion (sometimes spelled out in books as the Iraklion) was a roll on/roll off car ferry operating the lines Piraeus – Chania and Piraeus – Irakleio between 1965 and 1966. The ship capsized and sank on 8 December 1966 in the Aegean Sea, resulting in the death of over 200 people. Her demise was one of the greatest maritime disasters in Greek history.