Hythe was a constituency centred on the town of Hythe in Kent. It returned two Members of Parliament to the House of Commons until 1832, when its representation was reduced to one member. The constituency was abolished for the 1950 general election, and replaced with the new Folkestone and Hythe constituency.

Lionel Cranfield, 1st Earl of Middlesex was an English merchant and politician. He sat in the House of Commons between 1614 and 1622 when he was raised to the peerage as Baron Cranfield.