King's Lynn (UK Parliament constituency)

It was abolished for the February 1974 general election, being replaced by the re-established constituency of North West Norfolk.

Sir Robert Walpole, the first Prime Minister, was an MP for the constituency for almost the entirety of his parliamentary career, from 1702 to 1742.

Canning resigned after being appointed the United Kingdom's ambassador to Turkey, causing a by-election.

Stanley was appointed President of the Board of Control for the Affairs of India, requiring a by-election.

The political parties had been making preparations for an election to take place from 1939 and by the end of this year, the following candidates had been selected;