A by-election was held for the New South Wales Legislative Assembly electorate of Lismore on 11 March 1933 because of the death of William Missingham, .[1] William Frith of the National Party of Australia – NSW won the election with 33.4% of the vote.
| Date | Event | |
|---|---|---|
| 1 February 1933 | William Missingham died. | |
| 14 February 1933 | Writ of election issued by the Speaker of the Legislative Assembly.[2] | |
| 21 February 1933 | Day of nomination | |
| 11 March 1933 | Polling day | |
| 25 March 1933 | Return of writ |