Knowle St Giles is a village and civil parish in the South Somerset district of Somerset, England, situated on the River Isle 2 miles (3 km) south of Ilminster and 2.5 miles (4 km) north east of Chard.

In the Domesday book of 1086, Knowle St Giles is recorded as having small holdings by five villani and four bordarii.

[3] The parish council has responsibility for local issues, including evaluating local planning applications, initiating projects for the maintenance and repair of parish facilities, consulting with the district council on the maintenance and improvement of highways, drainage, footpaths and street cleaning, working with the police, district council and neighbourhood watch groups on crime, security and traffic, and assessing environmental and conservation matters such as trees and listed buildings.

It is also part of the Yeovil county constituency represented in the House of Commons of the Parliament of the United Kingdom.

Cricket Court was erected as a country house in 1811 for Admiral Stephen Pitt, his family being cousins of the Earl of Chatham.