Lock Island is an island in the River Thames in England connected to Shepperton Lock, near Shepperton. There is a stretch of open ground where refreshments are served, making the island a popular place to visit or stop and rest. The Thames River Police have a station on the Island. The Weybridge Mariners' Boat Club is also situated there. The island is connected to Hamhaugh Island by a walkway across the weir.
- Islands in the River Thames