Last name Jorthan (Jorthan 
) , in the entire world, is a very rare family name. The surname Jorthan is habitual in Austria, where it is a rare surname, Nicaragua, where it is a very rare surname, and Peru, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Austria, Peru, and Mexico. More prevalently, Jorthan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jorthan | Democratic Republic of the Congo, Mexico, Austria, Nicaragua, Peru |