Several elections were held in the United Kingdom in 2017:
- 2017 United Kingdom general election
- 2017 Caymanian general election
- 2017 Bermudian general election
- 2017 Falkland Islands general election
- 2017 Saint Helena general election
- 2017 United Kingdom local elections
- 2017 Northern Ireland Assembly election
- 2017 City of London Corporation election
- 2017 Copeland by-election
- 2017 Stoke-on-Trent Central by-election