Cognomen Sadiyan (Sadiyan 
) , all around the world, is a rare family name. The family name Sadiyan is habitual in Sri Lanka, where it is quite a rare surname, Saudi Arabia, where it is a very rare surname, and Malaysia. Not in comparison with a country's population, this name is the most popular in Sri Lanka, Indonesia, and India. Likewise, Sadiyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sadiyan | Saudi Arabia, Malaysia, India, Indonesia, Sri Lanka |