吉尔福德（Guildford，英语发音：/ˈɡɪlfərd/）是英国的一座城市，位于萨里郡。

Guildford /ˈɡɪlfərd/ is a large town in Surrey, England, located 27 miles (43 km) southwest of central London on the A3 trunk road mid-way between the capital and Portsmouth. It is the seat of the borough of Guildford.

Guildford has Saxon roots and historians attribute its location to the existence of a gap in the North Downs where the River Wey was forded by the Harrow Way By AD 978 it was home to an early English Royal Mint. On the building of the Wey Navigation and Basingstoke Canal Guildford was connected to a network of waterways that aided its prosperity. In the 20th century, the University of Surrey and Guildford Cathedral, an Anglican cathedral, were added.