Cognomen Hernann (Hernann 
) , around the world, is a very rare last name. The surname Hernann is characteristic of Nicaragua, where it is a very rare surname, Honduras, and Spain. Measured by absolute frequency, it most frequently occurs in the United States, Spain, and Colombia. Also, Hernann is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hernann | Colombia, Spain, Venezuela, United States, Mexico |