Tiofilusi Tiueti is a Tongan civil servant, politician, and former Cabinet Minister.

Tiueti has previously worked as a civil servant.

[1] He was chief executive of Tonga's Ministry of Finance until 2013, when he moved to a position at the World Bank.

[2] In May 2015 he was appointed as chief executive of the Pacific Association of Supreme Audit Institutions, a role he held until May 2020.

[4] On 20 October 2022 he was appointed Minister of Finance and Minister of Revenue and Customs, replacing Tatafu Moeaki who had been unseated for bribery.