Colnbrook with Poyle is a civil parish in the borough of Slough in Berkshire, England. Located approximately 17 miles west of central London and adjacent to the Greater London boundary, it is an urbanised parish with some industrial development and open land. The local council is Colnbrook with Poyle Parish Council. The parish was created on 1 April 1995 as an amalgamation of Colnbrook from the parish of Iver with Poyle from an unparished area. At the 2001 census it had a population of 5,426.