Coln St. Dennis is a village and civil parish on the River Coln in Gloucestershire about 3 miles (4.8 km) southwest of Northleach and about 7 miles (11 km) northeast of Cirencester.

The parish includes the village of Coln Rogers and the hamlets of Calcot, Fossebridge and Winson.

About 1.3 miles (2.1 km) southwest of Coln Rogers are Colnpen Long Barrow and a group of four round tumuli.

[5] Coln St. Dennis Manor House was built in the 17th century and altered in 1965.

[3] St. James' Rectory was designed by Richard Pace and built in 1810.