Former Owner
- Chartreuse de Montrieux-le-Vieux1
- Chasseigne family1
- Chester Carmelite Friary1
- Chiaravalle della Colomba Abbey1
- Chichester Cathedral1
- Chiswick Book Shop1
- Christian Gottlieb Schwarz1
- Christian Hertzig1
- Christophorus de Stinglhaim1
- Church of St Botolph1
- Church of St James, Sarsden1
- Château d'Anet1
- Cini Johan de Barisani1
- Cistercian Abbey of Beaupré1
- City College of New York1
- Clara von Vorssel1
- Claude Joseph Constant Despine1
- Claude Le Muet1
- Claude d'Urfé1
- Claude de Fonsèque1