Name
- Robertson, Malcolm Arnold, GCMG, diplomatist1
- Robinson, Constance Gwladys, patron of the arts and wife of Frederick Robinson, 2nd Marquess of Ripon, 1859-19171
- Roosevelt, Alice Lee, afterwards Longworth wife of Nicholas Longworth, daughter of Theodore Roosevelt1
- Roosevelt, Edith Kermit, 2nd wife of Theodore Roosevelt1
- Roosevelt, Theodore, US President, 1858-1919, http://isni.org/isni/000000...1
- Ruddock, Thomas Emerson, shipping adviser to the Foreign Office1
- Rudolf Franz Karl Josef, Crown Prince of Austria, son of Emperor Franz Josef1
- Rumbold, Horace George Montagu, 9th Baronet, diplomat, 1869-19411
- Réju, Gabrielle Charlotte, called 'Rejane', French actress1
- Saavedra y Vinent, Rodrigo Ramirez de, Marqués de Villalobar, Spanish diplomatist1
- Sala, George Augustus Henry Fairfield, journalist1
- Sanceau, James Edgar, treasurer of the British Chamber of Commerce in Brazil1
- Sanderson, Thomas Henry, 1st Baron Sanderson, civil servant, 1841-19231
- Scheidemann, —, of Berlin1
- Schellens, Richard, of the Serbian Relief Fund1
- Seely, John Edward Bernard, 1st Baron Mottistone1
- Selous, Frederick Courteney, hunter and explorer, 1851-19171
- Seton-Watson, Robert William, Masaryk Professor of Central European History London University1
- Skinner, J, in Jane Lady Macdonald's household?1
- Skinner-Turner, —, prospective legal adviser to Siamese Ministry of Justice1