The 2026 Niua 17 by-election for Tonga's Legislative Assembly was triggered by the resignation of former MP Lataifaingataʻa Tangimana after his 2025 victory was voided on bribery grounds, leaving an open seat in the small Niuas constituency. Five independent candidates from different villages—ʻAminiasi Tonga Pauʻu Tangimana, Paea ʻi Vaha Filimoehala, ʻAisake Hoatatau Finau, Sitiveni Selui, and Sione Tuifio Hui—registered after the early-September nomination period, each relying on localized support networks rather than national parties or incumbency. This village-driven fragmentation, combined with modest voter rolls, has kept trader consensus tightly clustered around the leading names, with no single contender establishing a decisive edge through endorsements or polling shifts. Outcomes could separate if turnout patterns favor one village base or if late campaign activity sways undecided voters before the October 8 poll.