The 20th Nova Scotia general election was held on 23 October 1945 to elect members of the 43rd House of Assembly of the Province of Nova Scotia, Canada. It was won by the Liberal party.
| Party | Leader | 1941 | Seats won | % change | Popular vote | (%) | |
|---|---|---|---|---|---|---|---|
| Liberal | Angus L. Macdonald | 22 | 28 | +27% | 52.7% | ||
| Co-operative Commonwealth Federation | Donald MacDonald | 3 | 2 | -33% | 13.6% | ||
| Progressive Conservative | Frederick Murray Blois | 5 | 0 | -100% | 33.5% | ||
| Other | 0 | 0 | 0% | 0.1% | |||
| Totals | 30 | 30 | 100% | ||||
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