Knowsley North and Sefton East is a constituency represented in the House of Commons of the Parliament of the United Kingdom. It elects one Member of Parliament (MP) by the first past the post system of election.

Election results
A primarily working-class industrial region, the seat is traditionally one of the strongest Labour-held seats in the country. The original Knowsley North constituency gained several wards from Crosby as a result of boundary changes in 1995.