Surname Sirlem (Sirlem 
) , around the world, is an extremely rare last name. The surname Sirlem is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, and Mexico, where it is an extremely rare surname. More frequently, Sirlem is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sirlem | India, Brazil, Nicaragua, Mexico |