Name
- Cacavachi, Maria, fl 1800-18301
- Cacurato, Paolina, correspondent of Frederick North, 5th Earl of Guilford, fl 1800-18301
- Cadignan, Catherine, Comtesse, correspondent of Frederick North, 5th Earl of Guilford, 1773-18601
- Calocristo, Ninna, of Corfu, fl 1800-18301
- Calosguro, Giovanni, of Corfu, fl 1800-18301
- Campbell, Laver & Co, of Genoa, c 1800-c 18301
- Canella, Anton Maria, writer, 1786-18311
- Canning, Stratford, Viscount Stratford de Redcliffe, diplomat, 1786-18801
- Canovi, Ferdinanda, of Florence, fl 1800-18301
- Cappadoca, Giovanni, fl 1800-18301
- Caridi, Pandarin, fl 1800-18301
- Caridi, Paolo, fl 1800-18301
- Caridi, Vettor, fl 1800-18301
- Caridy, Christodoulo, merchant, of Cyprus, fl 1790-18201
- Caroline, Queen consort of George IV, 1768-18211
- Carpani, Carlo, at Vienna, fl 1800-18301
- Carpani, Giuseppe, Count, fl 1800-18301
- Carrington, Codrington Edmund, Knight, Chief Justice of Ceylon, 1769-18491
- Carrol, William Parker, Knight, army officer, 1776-18421
- Carter, James, valet, fl 1800-18301