Surname Кошан (Kochan 
, Koshan 
, Кошан 
) , in the entire world, is a common family name. The family name Кошан is habitual in Slovakia, where it is quite a common surname, Czechia, and North Macedonia. In absolute terms, the name is most common in the United States, Czechia, and Slovakia. Likewise, Кошан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kochan, Kocian | Poland, United States, Germany, Czechia, Slovakia |
| Koshan | Myanmar, India, United States, Germany, Afghanistan |
| Кошан | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |