A by-election was held for the New South Wales Legislative Assembly electorate of Corowa on 9 November 1946 because of the resignation of Christopher Lethbridge (Independent), to contest the federal seat of Riverina at the 1946 election as a Liberal candidate,[1] however he was unsuccessful.
[2] Lethbridge then nominated as a Liberal candidate to regain the seat.
[1] The by-elections for Albury, Auburn and Ashfield were held on the same day.