Vailoa (Vailoa i Palauli) is a village on the island of Savai'i in Samoa. Vailoa is the capital of Palauli district on the south east of the island.
Vailoa attained the status of Pule (traditional political authority) sometime in the 19th century. The village is associated with the chiefly title of Lilomaiava. It is referred to as Vailoa i Palauli (Vailoa in Palau district).
Like most villages in Samoa, the local economy is based on subsistence living. The people live off their land from crops grown in plantations behind the village or fishing.