Darlington by-election may refer to one of three parliamentary by-elections for the British House of Commons constituency of Darlington, in County Durham:
- Darlington by-election, 1923
- Darlington by-election, 1926
- Darlington by-election, 1983
Darlington by-election may refer to one of three parliamentary by-elections for the British House of Commons constituency of Darlington, in County Durham: