Sussex (UK Parliament constituency)

Sussex was a constituency of the House of Commons of the Parliament of England then of the Parliament of Great Britain from 1707 to 1800 and of the Parliament of the United Kingdom from 1801 to 1832. It was represented by two Knights of the Shire, elected by the bloc vote system.

Under the Reform Act 1832 the constituency was split into two two-member divisions, for Parliamentary purposes, at the 1832 general election. The county was then represented by the East Sussex and West Sussex divisions.