Before the advent of representative government in 1870, the title was Advocate-General of Western Australia.

When there are none in the cabinet, a lay person is sometimes appointed to the office of Minister for Justice.

[1] The current Attorney-General of Western Australia, since 17 March 2017, is John Quigley who administers the portfolio through the Department of Justice and a range of other agencies.

One of Quigley's predecessors Christian Porter went on to become Federal Attorney General.

[2][3] This is a list of Attorneys-General of Western Australia, or any precedent titles.