Admiral Radhakrishna Hariram Tahiliani, PVSM, AVSM (12 May 1930 – 14 October 2015) was a Flag officer in the Indian Navy. He served as the 12th Chief of the Naval Staff from 1 December 1984 until 30 November 1987. His prior commands included those as the Flag Officer Commanding-in-Chief (FOC-IN-C) of the Western Naval Command, FOC-IN-C of the Southern Naval Command and Flag Officer Commanding Western Fleet (FOCWF). A carrier-based aircraft pilot, he also served as the commanding officer of the aircraft carrier, INS Vikrant.