Vatau Mefi Hui (born 1970) is a Tongan politician and former Cabinet Minister.
[1] He was first elected to the Legislative Assembly of Tonga as part of the Democratic Party of the Friendly Islands's landslide victory[2] at the 2017 Tongan general election.
In May 2018 he pleaded guilty to failing to submit a report of his electoral expenses and was fined US$129.
[3] Following the death of ʻAkilisi Pōhiva Hui supported Pohiva Tuʻiʻonetoa for Prime Minister, leaving the DPFI to join Tuʻiʻonetoa's new People's Party.
[4] He was subsequently appointed to Tuʻiʻonetoa's Cabinet as Minister for Internal Affairs.