Admiral Radhakrishna Hariram Tahiliani (12 May 1930 – 14 October 2015) was a senior officer in the Indian Navy.
He served as the 13th 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 of the Western Fleet (FOCWF).
A carrier-based aircraft pilot, he also served as the commanding officer of the aircraft carrier, INS Vikrant (R11).
After retirement, Tahiliani served as the Governor of Sikkim from 1990 to 1994.
He was a founder member and chairman of the India chapter of Transparency International (TI).