Pill Priory is a Tironian house founded near Milford Haven, Pembrokeshire, South West Wales in the late 12th century.

[6] In 1536 St Dogmaels Abbey and its daughters at Pill and Caldey were dissolved in the suppression of those monastic houses with values of less than £200 and fell to the crown.

[8] The manor of Pill, including the priory site and associated holdings, was sold in June 1546 to the aspiring local landowners Roger Barlow of Slebech and his brother Thomas.

The Pill Priory Cottage living quarters contain elements from the conventual buildings which were arranged around a more-or-less formalised cloister.

The chancel arch and south transept are designated as scheduled monuments by Cadw (the Welsh Government historic environment service).