Hounslow West is a London Underground station in locality of Hounslow West in Hounslow within the London Borough of Hounslow, West London. The station is on the Heathrow Terminals 2 & 3 branch of the Piccadilly line, between Hatton Cross and Hounslow Central stations and is in Travelcard Zone 5. The station is located on Bath Road, close to the Great West Road (A4). The station has an island platform, with step-free access via a stairlift for manual wheelchair users only.

Hounslow is a large suburban district of West London, England, 10+3⁄4 miles west-southwest of Charing Cross. It is the administrative centre of the London Borough of Hounslow, and is identified in the London Plan as one of the 14 metropolitan centres in Greater London.