Yiewsley is a large suburban village in the London Borough of Hillingdon, England, 2 miles (3 km) south of Uxbridge, the borough's commercial and administrative centre. Yiewsley was a chapelry in the ancient parish of Hillingdon, Middlesex. The population of the ward was 12,979 at the 2011 Census.

The London Borough of Hillingdon is the largest and westernmost borough in West London, England. It was formed in 1965 from the districts of Hayes and Harlington, Ruislip-Northwood, Uxbridge, and Yiewsley and West Drayton in the ceremonial county of Middlesex. Today, Hillingdon is home to Heathrow Airport and Brunel University, and is the second largest of the 32 London boroughs by area.