Cognomen รอสลัน (Roslan 
, รอสลัน 
) , in the world, is a common last name. The surname รอสลัน is habitual in South-eastern Asia, particularly Brunei, where it is a common surname, Malaysia, and Singapore, where it is quite a common surname. Not in comparison with a country's population, it most frequently occurs in South-eastern Asia, particularly Malaysia, Indonesia, and Singapore. Much less frequently, รอสลัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roslan | Indonesia, Brunei, Malaysia, Singapore, Poland |
| รอสลัน | Thailand |