Name
- Orsini, Philip Joseph, Count of Rosenberg, Imperial Ambassador to Portugal, etc1
- Oultremont, Charles Nicolas Alexandre dé, Comte, Bishop Elect of Liége1
- Oxenstierna, Gabriel Thureson, Count, Swedish diplomatist1
- Parliament1
- Petty, William, 2nd Earl of Shelburne, 1st Marquess of Lansdowne, formerly Fitzmaurice, 1737-18051
- Plunkett, Matthew1
- Podewils, Heinrich, Count, Prussian Foreign Minister1
- Poortugael, Isaac1
- Reede van Ginkel, Arent William, 2nd son of the 4th Earl of Athlone1
- Reede van Ginkel, Frederick William, 4th Earl of Athlone1
- Reede, Godard, 1st Earl of Athlone, Lord of Ginkel1
- Reede, Reynhard, Baron, Heer van Ginkel1
- Reibelt, Philippe Christoffe, Envoy from the Bishop of Würzburg to William III1
- Reischach, Thaddæus, Baron1
- Repnin, Vasili, Prince, Russian Commander-in-Chief1
- Rousseau, Jean Jacques, philosopher1
- Sacheverell, Henry, DD1
- Salignac de La Mothe, Gabriel Jacques, Marquis de Fénélon, French Envoy to the States-General1
- Saxe, Maurice de, Marshal of France1
- Schellardt, Johan Albrecht, Count1