| Siem Monileak |
| Sigdel, Bijay |
| Sigdel, Ek Raj |
| Sigdel, Shreeram |
| Sigdyal, Adarsh |
| Sigiarto |
| Sigit Mustiko |
| Signey-Bildan, Ma. Lolita N. |
| Sihanath Nhoungthong |
| Sijapati, Suman |
| Sikarin Vinyoopradit |
| Sikawa, Daniel C. |
| Sikawa, Daniel Clement |
| Sikder, Ratna Rani |
| Sikka, Brijesh |
| Silapa Hanpadungdhumma |
| Silfiani, Mega |
| Silichantho Khamvongsot |
| Siliphone S. Sisavath |
| Silitonga, Saulus |