- Cahill, James
- Caldwell, Charles McNeill
- Campbell, George RHA
- Carr, Rosemary ROI
- Carson, Robert Taylor HRUA
- Carver, Richard
- Chabanian, Arsene (1864-1949, Armenian/French)
- Chambers, Declan
- Cooke-Collis, Sylvia
- Cookson, Lynda
- Cooney, Ann
- Craig, James Humbert RHA
- Cronin, Laura
- Cronin, Susan
- Crozier, William HRHA
- Cryer, Ian ROI
- Cudworth, Jack
- Cullen, Mark P
