Family name โจฮัน (Johan 
, Johun 
, โจฮัน 
) , in the entire world, is a widespread last name. The cognomen โจฮัน is habitual in Malaysia, where it is quite a common surname, Venezuela, and Brunei (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Indonesia, Malaysia, and Venezuela. More frequently, โจฮัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Johan | Malaysia, India, Indonesia, Sweden, South Africa |
| Johun | Myanmar, South Korea, Nigeria, Malaysia, India |
| โจฮัน | Thailand |
| Jjohan | India |