Surname Jummer (Jummer 
) , around the world, is a very rare cognomen. The family name Jummer is characteristic of Germany, where it is a very rare surname, Nicaragua, and Venezuela, where it is an extremely rare surname. Also, Jummer is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jummer | Spain, Philippines, India, Nicaragua, Germany |