Name
- Risley, Herbert Hope, Knight, administrator in India and anthropologist, 1851-19111
- Roberts, Robert Leslie, army officer and aviator, 1896-19891
- Robinson, Stratford Watson, army officer, 1871-19621
- Rochette, Louis Stanislas d'Arcy, cartographer and engraver, 1731-18021
- Ross, E.C., Major, fl 1864-18701
- Royal Dutch Shell, oil company, 1907-1
- Royal Navy, 1660-1
- Rubin, Tryggve, surveyor, 1874-19461
- Rumbold, William Edwin, army officer, 1870-19471
- Ruxton, Robert Minturn Clarges, army officer, 1876-19461
- Ryder, Charles Henry Dudley, surveyor in India, 1868-19451
- Sadler, Ernest Reginald, army officer, 1878-19141
- Saidler, James Roy, colonial administrator, fl 1921-19381
- Salkeld, Robert Edward, army officer, 1867-19271
- Salt, Henry, 1780-18271
- Sandford, Daniel Arthur, army officer and adviser to the Emperor of Ethiopia, 1882-19721
- Sangster, William Peter1
- Sawamura, H, geographer, fl 18961
- Sawyer, William Harcourt, army officer, 1848-19261
- Schoch, Herman Eugene, surveyor, 1862-19471