Elections were held in the state of Western Australia on 21 March 1959 to elect all 50 members to the Legislative Assembly. The result was a hung parliament—the two-term Labor government, led by Premier Albert Hawke, was defeated with an average swing against it of about 7 per cent, but the Liberal-Country Party coalition, led by Opposition Leader David Brand, won exactly half of the seats, and needed the support of at least one of the two Independent Liberal members to obtain a majority in the Assembly. The situation remained precarious throughout the term—while Bill Grayden joined the LCL the following year, giving the Coalition a one-seat majority, the other Independent Liberal, Edward Oldfield, joined the Labor Party.

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