Surname Sefren (Sefren 
) , across the world, is a very rare cognomen. The family name Sefren is characteristic of the United States, where it is an extremely rare surname, Venezuela, and Nigeria. In absolute terms, it is commonest in the United States, Nigeria, and Mexico. Likewise, Sefren is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sefren | Philippines, Venezuela, United States, Mexico, Nigeria |