Greywalls is an Edwardian country house at Gullane in East Lothian, Scotland. It was built in 1901 for Alfred Lyttelton, to designs by Sir Edwin Lutyens. It has been run as a hotel since 1948. Greywalls is protected as a category A listed building, and the grounds are included on the Inventory of Gardens and Designed Landscapes in Scotland, the national listing of significant gardens.