The following elections occurred in the year 1945.
- 1945 Albanian parliamentary election
- 1945 Bulgarian parliamentary election
- 1945 Danish Folketing election
- 1945 San Marino general elections
- 1945 Finnish parliamentary election
- 1945 Hungarian parliamentary election
- 1945 Irish presidential election
- 1945 Luxembourg general election
- 1945 Norwegian parliamentary election
- 1945 Norwegian local elections
- 1945 Portuguese legislative election
- 1945 Austrian legislative election
- elections ('Landtagswahl') in all States of Austria:
- 1945 Ashton-under-Lyne by-election
- 1945 Caernarvon Boroughs by-election
- 1945 Chelmsford by-election
- 1945 Combined Scottish Universities by-election
- 1945 United Kingdom general election
- List of MPs elected in the 1945 United Kingdom general election
- 1945 Middlesbrough West by-election
- 1945 Monmouth by-election
- 1945 Motherwell by-election
- 1945 Neath by-election
- 1945 Newport by-election
- 1945 Northern Ireland general election
- 1945 Smethwick by-election
- 1945 Tottenham North by-election
- 1945 Canadian federal election
- 1945 British Columbia general election
- 1945 Edmonton municipal election
- 1945 Manitoba general election
- 1945 Nova Scotia general election
- 1945 Ontario general election
- 1945 Toronto municipal election
The following elections occurred in the year 1945.
- 1945 Albanian parliamentary election
- 1945 Bulgarian parliamentary election
- 1945 Danish Folketing election
- 1945 San Marino general elections
- 1945 Finnish parliamentary election
- 1945 Hungarian parliamentary election
- 1945 Irish presidential election
- 1945 Luxembourg general election
- 1945 Norwegian parliamentary election
- 1945 Norwegian local elections
- 1945 Portuguese legislative election
- 1945 Austrian legislative election
- elections ('Landtagswahl') in all States of Austria:
- 1945 Ashton-under-Lyne by-election
- 1945 Caernarvon Boroughs by-election
- 1945 Chelmsford by-election
- 1945 Combined Scottish Universities by-election
- 1945 United Kingdom general election
- List of MPs elected in the 1945 United Kingdom general election
- 1945 Middlesbrough West by-election
- 1945 Monmouth by-election
- 1945 Motherwell by-election
- 1945 Neath by-election
- 1945 Newport by-election
- 1945 Northern Ireland general election
- 1945 Smethwick by-election
- 1945 Tottenham North by-election
- 1945 Canadian federal election
- 1945 British Columbia general election
- 1945 Edmonton municipal election
- 1945 Manitoba general election
- 1945 Nova Scotia general election
- 1945 Ontario general election
- 1945 Toronto municipal election