Cognomen Kleintje (Kleintje 
) , in all the world, is a very rare last name. The surname Kleintje is characteristic of Germany, where it is a very rare surname, Netherlands, and Brazil, where it is an extremely rare surname. Likewise, Kleintje is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kleintje | Germany, Indonesia, Netherlands, South Africa, Spain |