Cognomen Breytner (Breytner 
) , worldwide, is a very rare family name. The family name Breytner is habitual in Latin America and the Caribbean, particularly Honduras, where it is a very rare surname, Venezuela, and Colombia. More frequently, Breytner is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Breytner | Spain, Peru, Colombia, Brazil, Venezuela |