Fatafehi Fakafānua, known before ascending to his title as Fatafehi Kinikinilau Lolomana‘ia Fakafānua (born 20 March 1985), is a Tongan politician, Lord of the Realm and the Speaker of the Tongan Legislative Assembly.

[2] Through his mother, he is a member of the Tongan royal family and, of her own right, in line to the country's throne.

[3] The title is attached to the estates of Ma'ufanga (on Tongatapu), Nga'akau (on Vava'u) and Faleloa (on Ha'apai), and enables its holder to be elected to the Legislative Assembly as a Representative of the Nobility.

During the 2008 by-election he was elected as a representative for Ha'apai, the youngest member ever of the Tongan Parliament.

[6] As Speaker he held a "practice parliament" to encourage women to participate in politics.