Caln Township (/kæln/) is a township in Chester County, Pennsylvania, United States. The population was 14,428 at the 2020 census. The township was founded by settlers from Calne, Wiltshire in England in 1714. The relationship with Calne, Wiltshire, continues today as the two towns are sister cities. Caln is a Township of the First Class. The governing body is a Board of Commissioners. The Board President is President Paul Mullin, Vice President Jane Kennedy, Board Members Joshua Young, Lorraine Tindaro and Mark Evans. The Township Manager is Kristen Denne. The township also owns Ingleside Golf Club and over 200 acres (0.81 km2) of green space and parks. There are 53 employees, including 20 police officers, that work for Caln Township.