Surname Haushan (Haushan 
) , all over the world, is a very rare cognomen. The cognomen Haushan is characteristic of Bulgaria, where it is a rare surname, Germany, where it is an extremely rare surname, and Brazil. In absolute terms, it is the most numerous in Bulgaria, Germany, and India. Likewise, Haushan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Haushan | India, Brazil, Germany, United States, Bulgaria |