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英國獨立黨（英語：UK Independence Party，缩写為UKIP）是英國的一個右翼民粹主义政黨。該黨主要的政治理念是推動英國脫離歐盟。 該黨成立之初便以使英國脫離歐盟為目標，支持透過舉行公投退出歐盟。 不少英國獨立黨支持者是來自原保守黨的疑歐派強硬支持者，要求退出歐盟，並認為保守黨對歐盟的立場並不堅定。