Former Owner
- Carl Reinhardt4
- Carlos José Gutiérrez de los Ríos y Rohan Chabot Fernán-Núñez1
- Charles Butler2
- Charles Stuart, 1st Baron Stuart de Rothesay1
- Charles Thomas-Stanford1
- Charles William Dyson Perrins3
- Charles William Hamilton Sotheby2
- Charles-Gilbert Morel de Vindé1
- Clara von Vorssel1
- Clarence S. Bement2
- Claude d'Urfé1
- Coella Lindsay Ricketts1
- Coggeshall Abbey1
- Dahīʹzādah1
- Dame Margery Byrkenhed1
- David Eugene Smith142
- Dawson Turner1
- Diego Clemencín1
- Diego de Arce y Reinoso1
- Domenico Silvio Passionei1