Thuborough (alias Therborough, Theoburgh, etc.) in the parish of Sutcombe, Devon, England, is an historic estate, formerly a seat of a branch of the Prideaux family, also seated at Orcharton, Modbury; Adeston, Holbeton; Soldon, Holsworthy; Netherton, Farway; Ashburton; Nutwell, Woodbury; Ford Abbey, Thorncombe, all in Devon and at Prideaux Place, Padstow and Prideaux Castle, Luxulyan, in Cornwall. The present mansion house, comprising "Thuborough House" and "Thuborough Barton", the north-east block, is a grade II listed building.