John Carr (1723–1807) was a prolific English architect, best known for Buxton Crescent in Derbyshire and Harewood House in West Yorkshire. Much of his work was in the Palladian style. In his day he was considered to be the leading architect in the north of England.

Harewood House is a country house in Harewood, West Yorkshire, England. Designed by architects John Carr and Robert Adam, it was built, between 1759 and 1771, for Edwin Lascelles, 1st Baron Harewood, a wealthy West Indian plantation and slave owner. The landscape was designed by Lancelot "Capability" Brown and spans 1,000 acres (400 ha) at Harewood.