Lamb Island is a small island which forms part of the Moreton Bay National Marine Park located in the southern part of Moreton Bay, near Brisbane, in Queensland, Australia. It constitutes a town and locality within the Redland City. The south/east side of Lamb Island sits within the Protection and Conservation park zone which is home to protected species of marine life including dugong, dolphins and leatherback turtles. In the 2016 census, the locality of Lamb Island had a population of 432 people.