Family name Trahen (Trahen 
) , in all the world, is a very rare last name. The family name Trahen is characteristic of Mexico, where it is a very rare surname, India, where it is an extremely rare surname, and the United States. Much less frequently, Trahen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trahen | India, United States, Mexico |