Kassari is a village in Hiiumaa Parish, Hiiu County in northwestern Estonia, on Kassari Island.

[1] Historically, the village was part of Kassari Manor (German: Kassar).

In the 1920s the manor was changed to Kassari settlement (Estonian: Kassari asundus).

Kassari got its village status around 1939.

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