Name
- Pasqual y Otto, Manuel, Agent at Madrid of Card. York1
- Penne, Ferdinando da, Frate Cappucino1
- Pentini, Ulisse1
- Pesci, Francesco Antonio1
- Pierre de Bernis, François Joachim, Abbé, Comte, afterwards Cardinal1
- Plowden, Francis, of Add MS 346381
- Republic of France1
- Ricci, Giuseppe, Canon1
- Ricci, Pellegrino1
- Ricciardoni, Ciro1
- Rinaldo, Duke of Modena1
- Riva, Giacomo1
- Rizzini, Gaspare, Abbate1
- Rohan, Charles Mériadec, Prince1
- Rohan, Eugène Hercule Camille, Prince1
- Rohan, Louis René Edouard de, Cardinal, Bishop of Strassburg1
- Rohan, Marie Louise Henriette Jeanne, wife of Jules Hercule Mériadec, Duc de Montbazon1
- Rohan, Victor, Prince, Major-General in the Austrian service1
- Roma, Giancrisostomo da1
- Rossi, Francesco Maria de', Governor of Vetralla1