A by-election for the seat of York in the Legislative Assembly of Western Australia was held on 21 November 1942.
The Country Party retained the seat, with Charles Perkins winning by just 40 votes on the two-candidate-preferred count.
Charles Latham had held York for the Country Party since the 1921 state election.
[3] One of his opponents at the by-election, Labor's Alfred Reynolds, won the seat of Forrest at the 1947 state election, although he served only a single term.
[4] Latham, the retiring member in York, served in the Senate for less than a year, losing his seat at the 1943 federal election.