Surname Geretschlaeger (Geretschlaeger 
) , all over the world, is a rare family name. The cognomen Geretschlaeger is habitual in Austria, where it is quite a rare surname, Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Geretschlaeger | Austria, Germany, United States |
| erich geretschlaeger (b. 1948) |
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| anja m geretschlaeger researcher (ORCID 0000-0002-7883-1707) |
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