Cognomen Rosmani (Rosmani 
) , throughout the world, is quite a rare family name. The surname Rosmani is characteristic of South-eastern Asia, particularly Brunei, where it is quite a common surname, Singapore, where it is a rare surname, and Malaysia. Not in comparison with a country's population, it is the most numerous in South-eastern Asia, particularly Indonesia, Malaysia, and Brunei. Likewise, Rosmani is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rosmani | Brunei, Singapore, Indonesia, Democratic Republic of the Congo, Malaysia |