Tongatapu 9 is an electoral constituency for the Legislative Assembly in the Kingdom of Tonga.
It was established for the November 2010 general election, when the multi-seat regional constituencies for People's Representatives were replaced by single-seat constituencies, electing one representative via the first past the post electoral system.
It is a rural constituency located in the south-east of the island of Tongatapu, and covers the villages of Tatakamotonga, Holonga, ʻAlakifonua, Pelehake, Toloa, Fuaʻamotu, Nakolo, Haʻasini, Hamula, Lavengatonga, Fatumu and Haveluliku.
[1][2] Its first ever representative was Kaveinga Faʻanunu, a first term MP from the Democratic Party of the Friendly Islands, who won it in the November 2010 general election, and died of cancer seven months later, in July 2011.
The Democratic Party retained the seat, with its candidate Falisi Tupou winning by a substantial margin.