Cognomen ท้วม (Thuam 
, ท้วม) , around the world, is a rare surname. The family name ท้วม is characteristic of Myanmar, where it is a rare surname, Malaysia, and Norway, where it is a very rare surname. In absolute terms, the name is most common in Myanmar, Malaysia, and India. Very seldom, ท้วม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thuam | Myanmar, Vietnam, India, Malaysia, United States |