Surname Шильдт (Schildt 
, Shildt 
, Шильдт 
) , in the world, is quite a rare last name. The cognomen Шильдт is characteristic of Andorra, where it is quite a rare surname, Finland, and Sweden. Not in comparison with a country's population, it is commonest in Germany, the United States, and Finland.
| VARIANT | COUNTRY |
|---|---|
| Schildt | Brazil, United States, Sweden, Germany, Finland |
| Shildt | Brazil, Germany, Russia, United States |
| Шильдт | Russia, Kazakhstan |