Pearl Island (), formerly known as () in Chinese, is a small island southeast of Tuen Mun in Hong Kong.
Pearl Island is located in Sam Shing constituency of the Tuen Mun District Council. It was formerly represented by Michael Mo Kwan-tai, who was elected in the 2019 elections until July 2021.
There are villa-type housing on the island and a road is connecting the island to the mainland. It is now part of the Gold Coast residential area in Hong Kong.