Ruislip-Northwood (UK Parliament constituency)

Ruislip-Northwood
Former Borough constituency for the House of Commons
Boundary of Ruislip-Northwood in Greater London for the 2005 general election
County	Greater London
1950–2010
Seats	One
Created from	Uxbridge
Replaced by	Ruislip, Northwood and Pinner, Uxbridge and South Ruislip

Ruislip-Northwood was a borough constituency represented in the House of Commons of the UK Parliament from 1950 to 2010 that elected one member (MP) by the first past the post system of election. It was centred on the districts of Ruislip and Northwood in the London Borough of Hillingdon.

The seat returned each of three Conservatives who stood in turn. Its narrowest majority was 17.3% in 1997, over the Labour Party candidate.