North West England was a constituency of the European Parliament.

The constituency corresponded to the North West England region of the United Kingdom, comprising the counties of Cheshire, Cumbria, Greater Manchester, Lancashire and Merseyside.

Following the passing of the European Parliamentary Elections Act 1999, the North West of England formed one constituency from which candidates are elected using the D'Hondt method.

The constituency corresponded to the following former European constituencies: Cheshire East, Cheshire West and Wirral, Cumbria and Lancashire North, Greater Manchester Central, Greater Manchester East, Greater Manchester West, Lancashire Central, Lancashire South, Merseyside East and Wigan, Merseyside West, and Congleton from Staffordshire West and Congleton.

Brackets indicate the order candidates were elected and the number of votes per seat won in their respective columns.