Naboua T. Ratieta CBE (26 April 1938 – 12 June 1986) was an I-Kiribati politician who became the first Chief Minister of the Gilbert and Ellice Islands in 1974. The Ellice Islands separated from the colony the following year, and he remained Chief Minister of the Gilbert Islands until 1978. He also served as an MP from 1968 until his death.