Allika is a village in Hiiumaa Parish, Hiiu County in northwestern Estonia.

[1] The village was first mentioned in 1620 (Hallikio by).

[2] In the 1970s, the village was divided into two: western part was named Allika I, and the eastern part Allika II.

In 1977, Allika I was merged into the village of Moka, and Allika II into the (former) village of Vaku.

[2] This Hiiu County location article is a stub.