Amon Nikoi, born Seth Amon Nikoi, (19 January 1930 – 5 September 2002) was a Ghanaian economist and diplomat.
He was the Permanent Representative of Ghana to the United Nations between 1957 and 1960 as well as the Governor of the Bank of Ghana from 16 March 1973 to June 1977.
He had a stint as the Finance minister and a presidential advisor between September 1979 to May 1981 under Hilla Limann during the Third Republic.