Patricia Dorothy Hillas is a Church of England priest. She has been appointed as the Priest-in-Charge of St Mary-at-Hill, City of London, and Chaplain to the Speaker of the House of Commons, succeeding Rose Hudson-Wilkin. She was previously the Canon Pastor at St Paul's Cathedral. In April 2021 she was appointed by HM The Queen to serve as fourth Canon Residentiary of Westminster. The installation was on 9th May 2021 in Westminster Abbey.