The Lagoon of Viluni, also commonly Lagoon of Velipojë, is a lagoon of the Adriatic Sea on the Mediterranean Sea in the northern coast of Albania. Throughout history, the lagoon was a sea inlet and has been currently transformed into an estuary formed through a channel from the Buna River.
The lagoon is situated within the boundaries of the Buna River-Velipoja Protected Landscape and has been recognized as an Important Bird Area wetland of international importance by designation under the Birdlife International Convention.