Name
- Charles, Duke of Brunswick - Lüneburg -Wolfenbüttel1
- Charles, Landgrave of Hesse-Cassel1
- Chinnery, W-, Clerk in the Treasury1
- Cholmondeley, George James, 1st Marquess of Cholmondeley1
- Chowne, M-1
- Clairfait, Francois Sébastien Charles Joseph de Croix, Comte1
- Clapham, Samuel, Vicar of Christchurch, county Hampshire1
- Clark, William, of Add MS 344131
- Cleghorn, Isabella1
- Clinton, Henry Fiennes Pelham, 9th Earl of Lincoln, afterwards (in 1768) 2nd Duke of Newcastle1
- Clutton, William, junior, of Reigate1
- Cobbett, William, of Add MS 339641
- Cochrane, Thomas, 10th Earl of Dundonald, naval officer, 1775-18601
- Coke, Daniel Parker, MP for Nottingham1
- Colbert, Comte1
- Colbert, Comtesse d'Aunay1
- Cole, Christopher, Knight, naval officer and politician, 1770-18361
- Colvile, Andrew1
- Colvile, James William, Knight, judge, 1810-18801
- Colvile, Mary Louisa, daughter of the 1st Lord Auckland, and wife of Andrew Colville1