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 unknown
and his family have claimed that they believe that he has been killed.