Globally, Rosilah (Rosilah 
) is a rare female given name. The forename Rosilah is characteristic of South-eastern Asia, particularly Singapore, where it is a rare feminine name, Malaysia, and Indonesia, where it is a very rare feminine name. Also, Rosilah is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rosilah | Malaysia, United Kingdom, Singapore, Indonesia, Philippines |