The following elections occurred in the year 1917.
Europe
- 1917 Dutch general election
- 1917 Finnish parliamentary election
- 1917 Russian Constituent Assembly election
- 1917 Sfatul Țării election
- 1917 Swedish general election
United Kingdom
- 1917 Henley by-election
- 1917 Liverpool Abercromby by-election
- 1917 Rossendale by-election
- 1917 Southampton by-election
- 1917 Stockton-on-Tees by-election
- 1917 Wisbech by-election
America
Bolivia
- José Gutiérrez Guerra is elected President of Bolivia (predecessor: Ismael Montes Gamboa)
Canada
- 1917 Canadian federal election
- 1917 Alberta general election
- 1917 Edmonton municipal election
- 1917 New Brunswick general election
- 1917 Saskatchewan general election
- 1917 Toronto municipal election
- 1917 Yukon general election
United States
Oceania
Australia
- 1917 Australian federal election
- 1917 Australian conscription referendum
- 1917 Western Australian state election