List of protected areas of Western Australia

Western Australia is the second largest country subdivision in the world.

As of 2022, based on the latest Collaborative Australian Protected Areas Database report, it contains 1857 separate land-based protected areas with a total area of 76,142,710 hectares (188,152,700 acres), accounting for just over 30 percent of the state's land mass. By area, Indigenous Protected Areas account for the largest part of this, almost 67 percent while, by number, nature reserves hold the majority with two-third of all land-based protected areas being nature reserves.^[1][2]

Marine-based protected areas in Western Australia, as of 2022, covered 4,751,462 hectares (11,741,120 acres) or 41.05 percent of the state's waters. 41 individual Marine Protected Areas existed in the state of which the largest amount, 20, were Marine Parks, followed by Marine Reserves with 15. Marine Parks accounted for 92.25 percent of all Marine Protected Areas in the state.^[3]