A leadership spill of the Western Australian Labor Party occurred on 18 September 1981. A motion that all caucus positions be declared vacant was carried 18 votes to 13. Brian Burke defeated party leader Ron Davies 20 votes to 11, making Burke the leader of the party and the leader of the opposition in Western Australia. Mal Bryce defeated deputy party leader David Evans 19 votes to 12, making Bryce the deputy leader of the party and the deputy leader of the opposition in Western Australia. The Labor Party went on to win the 1983 state election, and Burke and Bryce continued in their positions for five years after the election before resigning.
