Tuasivi is a village situated on the north east coast of Savai'i island in Samoa. The village is in the electoral political district of Fa'asaleleaga.
Tuasivi is the main centre for government administration on Savai'i. There is a small government complex with offices in the village including a judicial court house and the main police station on the island.
Tuasivi Hospital is also the main public hospital on the island with about 20 beds and several doctors. The formal name for the hospital is Malietoa Tanumafili II Hospital and is situated on the coast side of the main road.
Tuasivi has a post office and is 10 minutes north of Salelologa township and ferry terminal. There's also a college and churches of Christian denominations.