Cognomen Jielmer (Jielmer 
) , in all the world, is an extremely rare surname. The cognomen Jielmer is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname, and Mexico. More frequently, Jielmer is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jielmer | Mexico, Venezuela, Philippines |