A by-election for the seat of Canterbury in the New South Wales Legislative Assembly was held on 1 February 1986. The by-election was triggered by the resignation of MP Kevin Stewart to accept the post of Agent-General for NSW in London.
By-elections for the seats of Cabramatta and Kiama were held on the same day.
<includeonly> MP Kevin Stewart resigned to accept the post of Agent-General for NSW in London.</includeonly>