Name
- Photiades, Ioannes, Turkish Envoy to Italy1
- Pisani, Étienne, dragoman at the British Embassy, Constantinople1
- Ponsonby, John, Viscount Ponsonby of Imokilly1
- Pourtales, Albert von, Count Prussian diplomatist1
- Prokesch-Osten, Anton Franz, Count Count Prokesch von Claten, Austrian diplomatist1
- Raffaelli, C., of Constantinople1
- Rasid, Pasha; Governor of Syria1
- Resid, Bey, son of Mehemmed Emin 'Ali Pasha1
- Riza, Bey, Turkish Ambassador to Russia1
- Rolland, Eugène, French author1
- Rothschild, Adolph, Baron1
- Russell, John, 1st Earl Russell, Prime Minister, 1792-18781
- Rüsdi, Mehemmed, Turkish statesman1
- Rüstem, Bey, Turkish Chargé d'Affaires in Turin1
- Sandison, Alfred, Secretary of Embassy in Constantinople1
- Schleinitz, Alexander, Freiherr and (1879) Count; Prussian statesman1
- Schliemann, Heinrich, archaeologist1
- Schneider, of Add MS 466981
- Sefels, of Paris1
- Serkis, Efendi; of the Turkish Foreign Ministry1