| Berwick and Haddington | |
|---|---|
| Former county constituency for the House of Commons | |
| Subdivisions of Scotland | Berwickshire, East Lothian |
| 1918–1950 | |
| Seats | One |
| Created from | Berwickshire and Haddingtonshire |
| Replaced by | Berwick and East Lothian |
Berwick and Haddington was a constituency of the House of Commons of the Parliament of the United Kingdom from 1918, when it replaced the separate Berwickshire and Haddingtonshire constituencies, until it was renamed Berwick and East Lothian for the 1950 general election. It elected one Member of Parliament (MP), using the first-past-the-post voting system.
The constituency covered the counties of Berwickshire and East Lothian.