Participants
| Ana María Cetto | Mexico |
| Ezra Clark | United Kingdom |
| Clive Cookson | United Kingdom |
| Chantal Line Carpentier | Canada |
| Franco Cabrerizo | Argentina |
| Halide Cafoglu Yaşar | Turkey |
| Melvin Calimag | Philippines |
| Emilia Calvo | Spain |
| Claudia Canales Holzeis | Germany |
| H.E. María Lorena Capra | Argentina |
| Patrick Caron | France |
| Rosa Castro | United Kingdom |
| Adriana Cazacu | Moldova |
| David Celis Silva | Peru |
| Thameur Chaibi | Tunisia |
| Antonio Chamuene | Mozambique |
| Tung Tung Chan | Malaysia |
| Saurav Chandra Talukder | Bangladesh |
| Kartik Chandran | United States of America |
| Aftab Chattha | Pakistan |
| Tao Chengfang | China |
| Hasnaa Chennaoui | Morocco |
| Dato’ Ir. Lee Yee Cheong | Malaysia |
| Tamar Chkhaidze | Georgia |
| John Chongo | Zambia |
| Kyarimpa Christine | Uganda |
| Elena Chupeikina | Russian Federation |