Ko Fonualei ko e motu ia, ʻi he tokelau ange kae ʻoku ofi ki Vavaʻu, tuʻu ʻi he tuʻahivi fakamoʻungaafi ʻo Tonga. Ko e moʻungaafi ia, naʻe puna ʻa e afi fakamuimui ʻi 2001. Hono māʻolunga ko ʻe mita ʻe 180. Ko e laku lahi naʻe ʻi Sune 1846, naʻe laku ia lolotonga he māhina ʻe niʻihi pea ʻufiʻufi ʻaupito ʻa Vavaʻu ʻe he efuefu. Ko Tokū, mo Late mo e moʻungaafi ʻe taha, mahalo pē naʻe ʻikai laku, ka naʻe ʻi ai ha ngaahi vaka naʻe hala ʻe kinautolu ʻi he motu totonu.