Cognomen Felkl (Felkl 
) , around the globe, is a rare last name. The family name Felkl is habitual in Czechia, where it is quite a rare surname, Austria, where it is a rare surname, and Germany. Measured by absolute frequency, the name is most common in Germany, Czechia, and Brazil.
| VARIANT | COUNTRY |
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| Felkl | Germany, Czechia, Austria, United States, Brazil |
| jan felkl Felkl, Jan, 1817-1887, CZ (b. 1817) |
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| kurt felkl German military personnel, urologist and surgeon, DE (b. 1918) |
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| oskar felkl CZ (b. 1913) |
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| josef felkl PL (b. 1916) |
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| aline b felkl researcher (ORCID 0000-0002-4008-4232) |
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Mr, Fred, Otto, Maria, Marek, Mayro, Moyra, Simon, Sonia, Alice, Vera, Aline, Karel, Kayla, Petra, Peter, Radek, Delly, David, Diego, Guido, Karin, Hans, Erna, Erik, Ms, Sam, Ana, Ann, Jan, Mary, Karl, Petr, Rain, Rose, Roxy, Rene, Rico, Rita, Luiz, Lynn, Jose, John, Joao, Jiã, Nick, Louis, and Jakub