The following elections occurred in the year 1977.
Africa
- 1977 Afars and Issas Constituent Assembly election
- 1977 Algerian legislative election
- 1977 Gambian general election
- 1976–1977 Guinea-Bissau legislative election
- 1977 Malagasy parliamentary election
- 1977 Moroccan parliamentary election
- 1977 Mozambican general election
- 1977 Rhodesian general election
- 1977 Sierra Leonean parliamentary election
- 1977 South African general election
- 1977 Sudanese presidential election
- 1977 Zairean parliamentary election
- 1977 Zairean presidential election
Asia
- 1977 Indonesian legislative election
- 1977 Israeli legislative election
- 1977 Japanese House of Councillors election
- 1977 North Korean parliamentary election
- 1977 Pakistani general election
- 1977 Sri Lankan parliamentary election
India
- 1977 Indian general election
- 1977 Indian general election in Andhra Pradesh
- 1977 Indian general election in Tamil Nadu
- 1977 Indian presidential election
- 1977 Tamil Nadu Legislative Assembly election
Turkey
Australia
- 1977 Australian federal election
- 1977 Northern Territory general election
- 1977 Queensland state election
- 1977 Australian referendum
- 1977 South Australian state election
- 1977 Western Australian state election
Europe
- 1977 Belgian general election
- 1977 Danish parliamentary election
- 1977 Dutch general election
- 1977 Greek legislative election
- 1977 Irish general election
- 1977 Norwegian parliamentary election
- 1977 Turkish general election
France
Spain
Turkey
North America
Canada
- 1977 Edmonton municipal election
- 1977 Manitoba general election
- 1977 Manitoba municipal elections
- 1977 Ontario general election
United States
United States gubernatorial
United States mayoral
- 1977 New Orleans mayoral election
- 1977 New York City mayoral election
- 1977 Pittsburgh mayoral election
Louisiana
New York
Pennsylvania
Oceania
- March 1977 Fijian general election
- September 1977 Fijian general election
- 1977 Papua New Guinean general election
Australia
- 1977 Australian federal election
- 1977 Northern Territory general election
- 1977 Queensland state election
- 1977 Australian referendum
- 1977 South Australian state election
- 1977 Western Australian state election