Sivasubramaniam Raveendranath (born 22 February 1951)is a Sri Lankan Tamil academic and the Vice-Chancellor of the Eastern University of Sri Lanka. He disappeared after attending a conference on 15 December 2006 in a high-security zone in Colombo and was last seen leaving the conference after receiving a telephone call.His current whereabouts are unknownand his family have claimed that they believe that he has been killed.