Kinmount House is a 19th-century country house in the parish of Cummertrees in the historic county of Dumfriesshire in Dumfries and Galloway region, Scotland. It is located 3+1⁄2 miles west of Annan. The house was designed by Sir Robert Smirke for the 6th Marquess of Queensberry and completed in 1820. It is protected as a category A listed building, and the grounds are included on the Inventory of Gardens and Designed Landscapes in Scotland.