Name
- Gordon, Joseph, army officer and correspondent of Sir Robert Murray Keith, fl 17841
- Gower, Granville, 1st Marquess Stafford, politician and landowner, 1721–1803, http://viaf.org/viaf/143338791
- Gradenigo, -, correspondent of Sir Robert Murray Keith, fl 17731
- Gralath, correspondent of Sir Robert Murray Keith, fl 17741
- Grant, -, army officer and correspondent of Richard Rigby, fl 17761
- Gray, David, diplomat, fl 1791-18061
- Grenville, Henry, 5th son of the Countess Temple; Ambassador to Turkey1
- Greville, Robert Fulke, of Add MS 355091
- Grey, George Harry, 6th Earl of Stamford and 2nd Earl of Warrington, politician, 1765-18451
- Grey, Thomas, Under Secretary of State for the American département, 2nd Baron Walsingham (1781)1
- Griffith, John, agent of the East India Company at Bussora, fl 17861
- Groschlag, Friedrich Karl, Baron, diplomat, chamberlain and statesman, 1729-17991
- Grosvenor, Richard, 1st Earl Grosvenor, politician and art collector, 1732-18021
- Grosvenor, Robert, 1st Marquess of Westminster, politician, art collector and racehorse owner, 1767-18451
- Hadik, Andreas, Count, Hungarian nobleman, 1710-17901
- Hale, Bernard, correspondent of Sir Robert Murray Keith, fl 17771
- Hales, Edward, 5th Baronet, of Woodchurch, Kent, c 1724-18021
- Halkat, John, correspondent of Sir Robert Murray Keith, fl 17751
- Halkett, Fritz, correspondent of Sir Robert Murray Keith, fl 17751
- Hamilton, Douglas, 8th Duke of Hamilton1