The following elections occurred in the year 1938.
Africa
Asia
- 1938 Philippine general election
- 1938 Philippine legislative election
- 1938 Soviet Union regional elections
Europe
- 1938 Estonian parliamentary election
- 1938 Irish general election
- 1938 Irish presidential election
- 1938 Kingdom of Yugoslavia parliamentary election
- 1938 Polish legislative election
- 1938 Portuguese legislative election
- 1938 Soviet Union regional elections
- 1938 German election and referendum
United Kingdom
- 1938 Barnsley by-election
- 1938 Bridgwater by-election
- 1938 City of London by-election
- 1938 Combined Scottish Universities by-election
- 1938 Lewisham West by-election
- 1938 Northern Ireland general election
- 1938 Oxford by-election
- 1938 Walsall by-election
North America
Canada
- 1938 Conservative Party of Ontario leadership election
- 1938 Edmonton municipal election
- 1938 Ottawa municipal election
- 1938 Saskatchewan general election
Caribbean
United States
- United States House of Representatives elections in California, 1938
- 1938 California gubernatorial election
- 1938 Minnesota gubernatorial election
- 1938 New York state election
- United States House of Representatives elections in South Carolina, 1938
- 1938 South Carolina gubernatorial election
- 1938 United States House of Representatives elections
- 1938 United States Senate elections
United States mayoral elections
Oceania
Australia
- 1938 New South Wales state election
- 1938 Queensland state election
- 1938 South Australian state election
- 1938 Wakefield by-election