Around the globe, Ernst-Dietrich (Ernst-Dietrich 
) is a rare masculine forename. The first name Ernst-Dietrich is characteristic of Western Europe, particularly Germany, where it is a rare masculine name. Parts of the name also exists independently as a first name Ernst, and a last name Dietrich.
| VARIANT | COUNTRY |
|---|---|
| Ernst-Dietrich | Germany |
| ernst-dietrich von wechmar (born 1924) (b. 1924) |
|
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| ernst-dietrich von thadden (born 1952) (b. 1952) |
|
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| ernst-dietrich kreuser DE (b. 1945) |
|
Prilop, Güting, Haberland, and Engelbrecht-Schnür