Family name 卡德尔 (Kader 
, Cadel 
, Carder 
) , globally, is a widespread last name. The family name 卡德尔 is characteristic of Algeria, where it is quite a common surname, Oman, and United Arab Emirates (explore the name in all countries). In absolute terms, the name is most common in Bangladesh, Algeria, and India. Likewise, 卡德尔 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kader | Algeria, Bangladesh, Turkey, Saudi Arabia, India |
| Cadel | France, Indonesia, United States, Malaysia, India |
| Carder | Indonesia, United States, Malaysia, South Africa, India |
| 卡德尔 | China |