Okhai Michael Akhigbe GCON (29 September 1946 – 13 October 2013) was a Vice admiral of the Nigerian Navy who served as de facto Vice President of Nigeria (as Chief of General Staff) under military head of state General Abdusalami Abubakar from June 1998 to May 1999, when the military government was terminated and replaced with the Fourth Nigerian Republic. He previously served as Chief of Naval Staff, the highest-ranking officer of the Nigerian Navy from 1994 to 1998; Military Governor of Lagos State from 1986 to 1988; and Military Governor of Ondo State from 1985 to 1986.