Holywell Priory or Haliwell, Halliwell, or Halywell (various spellings), was a religious house in Shoreditch, formerly in the historical county of Middlesex and now in the London Borough of Hackney. Its formal name was the Priory of St John the Baptist. The Priory stood at Holywell Lane on the west side of Shoreditch towards Hoxton, its precinct lying within the area now bounded by Batemans Row, Shoreditch High Street, Haliwell Lane, and Curtain Road.