Members of the Western Australian Legislative Assembly, 1943–1947

This is a list of members of the Western Australian Legislative Assembly between the 1943 election and the 1947 election, together known as the 18th Parliament.

In January 1945, the Nationalists, officially known as the National Party of Western Australia, reformed as the Liberal Party (Western Australian Division) under the leadership of Robert McDonald, and all Nationalist MLAs' allegiances changed accordingly.