Flintshire was a parliamentary constituency in North-East Wales which generally returned one Member of Parliament (MP) to the House of Commons, latterly that of the Parliament of the United Kingdom, from 1542 until it was abolished for the 1950 general election.

Until 1974, Flintshire, also known as the County of Flint, was an administrative county in the north-east of Wales, later classed as one of the thirteen historic counties of Wales.