Jone Usamate (born 2 April 1962, in Suva) is a Fijian politician, who served as the Minister for  Infrastructure and Meteorological Services from 2014 to 2022 and Minister for Lands and Mineral Resources from 2020 to 2022 in the Fijian government.

He studied at the University of the South Pacific and earned a Bachelor of Arts degree in administration and economics as well as a Master of Arts in management from Southern Cross University.

In February 2012, he was appointed a Minister and sworn in by Fiji's President Ratu Epeli Nailatikau at Government House, Suva.

In September 2016, he was part of a cabinet shuffle and was moved to the Ministry for Employment Opportunities, Productivity and Industrial Relations.

Following the collapse of FijiFirst, Seruiratu remained in parliament as an independent, serving as chief whip of the opposition Group of 16 Bloc.