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Surname Erhardt (Erhardt
, Эрхардт, Ергардт
) , all over the world, is a common family name. The cognomen Erhardt is habitual in Marshall Islands, where it is a common surname, Germany, where it is quite a rare surname, and Malta. Not in comparison with a country's population, the name is most common in Germany, the United States, and Brazil. Much less frequently, Erhardt is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Erhardt | Brazil, Hungary, United States, Argentina, Germany |
| Ергардт | Russia, Ukraine |
| ארהרדט | Israel |
Ehrhardt, Ерхардт, Эргардт, and เออร์ฮาร์ด