Brook is a small village and civil parish in the borough of Ashford in Kent, England, centred 4.5 miles (7.2 km) east-northeast of the town of Ashford.

Brook is in a gently rolling valley top immediately south of the North Downs.

The human population of this area rose by 3 during the 10 years to the United Kingdom Census 2011.

The 11th century Grade I listed parish church is dedicated to St Mary.

The church of St. Mary, erected about 1075, is of stone, in the Early Norman style, and has a tower containing 3 bells: the tower was struck by lightning in 1896, and the northwest corner destroyed, but was restored in 1899: there are 160 sittings.