Cognomen เดร์ (De 
, เดร์ 
) , globally, is a prevalent family name. The last name เดร์ is habitual in Uruguay, where it is a common surname, Spain, and India, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, the name is most common in India, Spain, and China. Much less frequently, เดร์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| De | China, Spain, Colombia, India, Myanmar |
| เดร์ | Thailand |