Bool Lagoon Game Reserve is a protected area located in the Limestone Coast region of South Australia, about south of the town of Naracoorte. On 27 April 1972, land in sections 223 and 224 and 356 was reconstituted as the Bool Lagoon Game Reserve under the National Parks and Wildlife Act 1972.
In 1980, it was listed on the now-defunct Register of the National Estate.
In 1985, the area covered by both the game reserve and the Hacks Lagoon Conservation Park was added under the name "Bool and Hacks Lagoons" to the List of Wetlands of International Importance maintained by the Ramsar Convention.
Ecology
thumb|left|Bool Lagoon provides boardwalks and bird hides.
While Bool Lagoon is officially a game reserve, in dry years it attracts many waterbirds of many species, and is frequently a point of contention between duck hunters and animal rights activists. The adjacent Hacks Lagoon Conservation Park also provides refuge for waterbirds. There are a number of boardwalks and bird hides at both lagoons to facilitate birdwatching. The lagoons are visited by up to 150 species of birds, many having migrated from the Northern Hemisphere. The reserve is classified as an IUCN Category VI protected area.