Surname กระดุม (Botton 
, กระดุม 
) , across the world, is quite a common cognomen. The last name กระดุม is habitual in Portugal, where it is quite a rare surname, France, and Belgium. In absolute terms, it is the most numerous in France, Brazil, and Portugal. Very seldom, กระดุม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Botton | Italy, France, Brazil, Portugal, Peru |
| กระดุม | Thailand |