Vaila is an island in Shetland, Scotland, lying south of the Westland peninsula of the Shetland Mainland. It has an area of about 3 km².

Once home to a fishing fleet established by Arthur Anderson , notable buildings on the island include the Mucklaberry Castle tower and Vaila Hall , built in 1895. Vaila is home to an organic sheep farm and is also known for its mountain hares.