Last name ธาน (Than 
, Thanan 
, Thathan 
) , in the entire world, is a widespread cognomen. The cognomen ธาน is habitual in Mongolia, where it is a prevalent surname, Myanmar, where it is a common surname, and Malaysia, where it is quite a common surname (explore the name in all countries). Likewise, ธาน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Than | Mongolia, Malaysia, Myanmar, India, Vietnam |
| Thanan | Malaysia, Thailand, Myanmar, India, United States |
| Thathan | Malaysia, Thailand, Myanmar, India, South Africa |
| ธาน | Thailand |
จงบริบูรณ์, and บุญสาระวัง