Easterein (Dutch: Oosterend) is a village in the municipality Súdwest-Fryslân in the province of Friesland, the Netherlands.

It is southeast of Wommels and southwest of Itens, in the middle of Bolsward, Sneek, Leeuwarden and Franeker.

The village also includes the hamlets Driehuizen (uninhabited part) Meilahuizen and Schrok.

The age of the village is unclear, it may have originated when the island on which it was situated, also referred to as Oosterend, had been diked.

Various surrounding villages lay within the island, such as Hennaard, Itens and Lutkewierum.