Denham is a village and civil parish in the unitary authority of Buckinghamshire, England, approximately 17 mi from central London, 2 mi northwest of Uxbridge and just north of junction 1 of the M40 motorway. The name is derived from the Old English for "homestead in a valley". It was listed in the Domesday Book of 1086 as Deneham. Denham contains the Buckinghamshire Golf Club.