Mataʻiʻulua ʻi Fonuamotu, Lord Fusituʻa (died February 2024) was a Tongan politician and noble of the Realm.

[1] His father had also been one of the nine representatives of the nobility in the Legislative Assembly of Tonga, sitting for the nobles' constituency of the Niuas islands.

His death led to a by-election on 21 May, whereby the nobles in the Niuas elected the new Lord Fusituʻa as their representative to Parliament.

[4] Lord Fusituʻa was active in several key areas of anti-corruption and global transnational security in Oceania, as well as in the financial technology arena.

He was a grassroots and social media educator and advocate for Bitcoin to empower the underbanked agrarian farmers particularly in the area of remittances.