Ko e Siasi Uesiliana tauʻatāina ʻa Tonga (SUTT), (Free Wesleyan church, FWC), ko e taha ʻo e ngaahi siasi ʻi Tonga. Ko e siasi mahuʻinga taha (neongo ʻoku ofi he taimí ni ʻa e Siasi Māmonga).