Eythrope (previously Ethorp) is a hamlet and country house in the parish of Waddesdon, in Buckinghamshire, England. It is located to the south east of the main village of Waddesdon. It was bought in the 1870s by a branch of the Rothschild family, and belongs to them to this day. Eythrope is Grade II listed on the National Heritage List for England, and its gardens are also grade II listed on the Register of Historic Parks and Gardens.