Whitby Abbey is a ruined Benedictine abbey overlooking the North Sea on the East Cliff above Whitby in North Yorkshire, England. It was disestablished during the Dissolution of the Monasteries under the auspices of Henry VIII. It is a Grade I Listed building in the care of English Heritage and its site museum is housed in Cholmley House.
The original gift of William de Percy not only included the monastery of St. Peter at Streoneshalch, but the town and port of Whitby with its parish church of St. Mary and six dependent chapels at Fyling, Hawsker, Sneaton, Ugglebarnby, Dunsley, and Aislaby, five mills including Ruswarp, the town of Hackness with two mills and the parish church of St. Mary, and the church of St. Peter at Hackness 'where our monks served God, died, and were buried,' and various other gifts enumerated in the ' Memorial' in the abbot's book.