Cognomen Jan Stephan (Jan Stephan 
) , in the world, is an extremely rare last name. The surname Jan Stephan is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more frequently, Jan Stephan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jan Stephan | Chile, Germany, United Kingdom |