Elizabeth Mettam is an Australian politician. She has been the Liberal member for Vasse in the Western Australian Legislative Assembly since a by-election on 18 October 2014. She has been the leader of the Western Australian Liberal Party since January 2023 and was the deputy leader of the party from December 2020 to January 2023. At the 2021 state election, she was one of only two Liberal MLAs to retain their seat, the other being David Honey.

The 2021 Western Australian state election was held on Saturday, March 13, to elect members to the Parliament of Western Australia, where all 59 seats in the Legislative Assembly and all 36 seats in the Legislative Council were up for election.