Cognomen Gastauer (Gastauer 
) , all around the world, is a rare family name. The surname Gastauer is habitual in Luxembourg, where it is quite a rare surname, Lithuania, where it is a rare surname, and Germany. In absolute terms, the name is most common in Germany, the United States, and Luxembourg.
| VARIANT | COUNTRY |
|---|---|
| Gastauer | Germany, United States, Argentina, Lithuania, Luxembourg |
| anton gastauer (b. 1807) |
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| raimund gastauer (b. 1912) |
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ben gastauer Luxembourger road cyclist, LU (b. 1987) |
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| yvette gastauer-claire Luxembourgish sculptor, LU (b. 1957) |
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| sven gastauer researcher (ORCID 0000-0001-9676-9946) |
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| markus gastauer |
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Mr, Elise, Ellen, Horst, Honey, Markus, Steven, Alexis, Andrew, Arlene, Celine, Robert, Daniel, George, Thomas, Edward, Emmily, Michael, Barbara, Kaileah, Kristen, Phillip, Terry, Richard, Jerry, Linda, Ms, Amy, Ben, Dan, Tom, Mika, Kurt, Paul, Ruby, Ryan, Jean, Nora, Eric, Scott, Armin, Craig, Keith, Paula, Pedro, David, Diego, James, and Deborah