Cognomen Dhushan (Dhushan 
) , in all the world, is a very rare last name. The cognomen Dhushan is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. More frequently, Dhushan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dhushan | India, United States, South Africa, Australia |
Ray, Das, Singh, Mandal, Rangan, Ramduth, Illesinghe, Mariarajah, Sudasinghe, Ranasinghe, Thevarajah, Naganathan, Seneviratne, and Puvanachandran