Cognomen ประทุมวัณ (ประทุมวัณ 
) , globally, is an extremely rare family name. The family name ประทุมวัณ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, ประทุมวัณ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ประทุมวัณ | Thailand |