North-West was a constituency of the European Parliament in Ireland between 2004 and 2014.

It elected 3 Members of the European Parliament (MEPs) using the single transferable vote form of proportional representation (PR-STV).

For the 2009 election the counties of Longford and Westmeath were transferred from the East constituency to North-West.

From 2009 it comprised the counties of Cavan, Clare, Donegal, Galway, Leitrim, Longford, Mayo, Monaghan, Roscommon, Sligo and Westmeath; and the city of Galway.

[1] For the 2014 European Parliament election the constituency was abolished.