The Manor of Ashton (anciently Asseriston, Ashriston, etc.) was a historic manor in Devonshire, England, of which the manor house was called Ashton House (or Ashton Place), in the parish of Ashton, situated about 6 miles south-west of Exeter, on the western slopes of the Haldon Hills. It was long the seat of the Chudleigh family, from about 1320 to 1745, which originated at the manor of Chudleigh, 3 miles south of Ashton, and for which was created the Chudleigh baronetcy in 1622. It was abandoned by (died 1738) who in 1735 built himself nearby a grand mansion named Haldon House, on the east side of the Haldon Hills, influenced by Buckingham House in London, and moved his residence there.