Charles Walmesley, OSB (best known by the pseudonyms Signor Pastorino or Pastorini; 13 January 1722 – 25 November 1797) was the Roman Catholic Titular Bishop of Rama and Vicar Apostolic of the Western District of England. He was known, especially in Ireland, for predicting the downfall of Protestantism in 1821–5 and the triumphant emergence of the Catholic Church.