Llandaff House is a historic home in Easton, Talbot County, Maryland, United States. It is a ​2 1⁄2-story irregular plan frame house built in 1877-78, in a combined Queen Anne and Eastlake style. It features an asymmetrical front facade with a central entrance incorporated in a projecting two-story, two-bay pavilion distinguished by an open porch on the first floor. Also on the property are a late-19th-century three-story combination water tower and windmill and an early-20th-century frame boathouse. The grounds were professionally designed and executed by New York landscape architect Thomas Hogan.