Coleraine is a former United Kingdom Parliament constituency, in Ireland, returning one MP.
It was an original constituency represented in Parliament when the Union of Great Britain and Ireland took effect on 1 January 1801.
This constituency was the parliamentary borough of Coleraine in County Londonderry.
Litton resigned after being appointed Master of Chancery in Ireland, causing a by-election.
Boyd resigned by accepting the office of Steward of the Chiltern Hundreds, causing a by-election.