Name
- Colloredo, Franz Gundaccar, Prince1
- Colquhoun, John, of Luss, Commissioner for county Dumbarton1
- Colvius, André, Dutch Protestant Divine1
- Commonwealth, England1
- Consalvi, Ercole, Cardinal, Papal Secretary of State1
- Coper, John1
- Coppola, Domenico, Archbishop of Mira1
- Corniani, Giovanni Battista, Count1
- Corona, Niccola1
- Corsini, Neri Maria Giuseppe1
- Corsini, Tommaso, Prince of Sisismeno1
- Cortois de Pressigny, Gabriel, Bishop of St Malo1
- Corvinus, Joannes, Professor of Equity at Leyden1
- Cotes, Roger, Professor of Astronomy at Cambridge1
- Cotton, John, 3rd Baronet, 1621-17021
- Couper, John1
- Court of Rome1
- Court, Charles Cato1
- Covel, Thomas1
- Coventry, Henry, Sec of State, 1619-16861