Name
- Paulucci, Fabrizio, Cardinal, Papal Secretary of State1
- Peregrinus, Fabritius1
- Perier, P-1
- Philamundus, Raphael Maria1
- Piccolomini, Family1
- Pietro, Duke of Florence, son of Lorenzo the Magnificent1
- Pindemonte, Ippolito, Marchese, Cavaliere di Malta, Poet1
- Piombo, Sebastiano del, Painter1
- Potier de Gévres, Léon, Cardinal, Archbishop of Brages, Papal Prothonotary1
- Pottri, Pietro Nati1
- Pouget, Jean Henri1
- Quaratesi, Antonio1
- Reineggs, Jacques Mollart, Physician1
- Riccius, Frederic, Governor of Purmerend1
- Richie, Robert, Consul at Venice1
- Ridolfi, Cunctessima, wife of Pietro Ridolfi1
- Rivarola, Antoine, Comte, Colonel1
- Rospigliosi, Felix, Cardinal1
- Sadoleto, Giacomo, Papal Secretary of State, afterwards Cardinal1
- Salviati de' Medici, Lucretia, wife of Giacomo Salviati1