The United Democratic Party was a minor political party in the United Kingdom. It was founded in mid-1974 by a group of far right figures who had formerly identified as Independent Conservatives. // Political scientists have developed concepts of different ideal types of political parties in order to better compare them with each other. ... It has been suggested that this article or section be merged into far right. ...

The group focused on standing in elections against more moderate Conservative Party Members of Parliament. In the October 1974 UK general election, their fourteen candidates won a total of 4,810 votes. The party does not appear to have undertaken any further activity; it is unclear whether a "United Democratic Party" candidate in the Bermondsey by-election, 1983, had any connection to the earlier group. This article or section does not cite its references or sources. ... The Bermondsey byelection of February 24, 1983 occurred after the resignation of Robert Mellish, who had represented the constituency and its predecessors since 1946. ...