Worldwide, Detje (Detje 
) is a rare principally girly, but very infrequently masculine given name. The forename Detje is habitual in Belgium, where it is a rare female name, Indonesia, where it is a very rare girly name, and Netherlands. Not in comparison with a country's population, the name is most common in Indonesia, Belgium, and Germany. Also, Detje is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Detje | Belgium, United States, Indonesia, China, Germany |