Duchal House is an 18th-century mansion and estate near Kilmacolm, Scotland.

Duchal was acquired by the Porterfield family in the 16th century.

The house is protected as a category A listed building,[1] and the grounds are included in the Inventory of Gardens and Designed Landscapes in Scotland, the national listing of significant gardens.

This building now forms the south range of the present house.

[2] In 1854 the estate was acquired by the Shaw-Stewarts of Ardgowan for use as a shooting lodge.