Former Owner
- Charles Marriette1
- Charles Sessler2
- Charles Stuart, 1st Baron Stuart de Rothesay1
- Charles Sumner7
- Charles William Dyson Perrins1
- Charles William Hamilton Sotheby2
- Charles-Gilbert Morel de Vindé1
- Chartreuse Saint-Sixte de Rettel1
- Christopher Cheney1
- Church of St James, Sarsden1
- Clarence Howard Clark, Sr.1
- Clarence S. Bement3
- Claude Le Muet1
- Clemente Carilli1
- Coella Lindsay Ricketts1
- Cologne Charterhouse1
- Conradus Eerens1
- Convento di San Paolo1
- Cornelius John Hauck1
- D. Andreas Parisino1