Name
- Conduitt, John, of Cranbury, county Southants1
- Constable, Thomas1
- Cookson, John1
- Cooper, Anthony, 4th Earl of Shaftesbury, philanthropist, 1711-17711
- Cooper, Grey, politician, c 1726-18011
- Corbiere, Anthony, of Add MS 361251
- Corner, Charles, of Add MS 361261
- Cornish, Anthony, of Add MS 361251
- Cornish, Samuel, 1st baronet, naval officer, c 1715-17701
- Cornwallis, Henry1
- Costa Villa Real, Joseph da1
- Cotton, John Hynde, 3rd Baronet1
- Cotton, Robert Salusbury, fifth baronet, of Combermere, ?1739-18091
- Couraud, John, Under Secretary of State1
- Courtenay, William, 3rd Baronet1
- Coventry, William, 5th Earl of Coventry1
- Cowper, Spencer, of Add MS 361281
- Craggs, John, jun, Secretary of State etc1
- Craufurd, Patrick1
- Crayford, William1