Cognomen Balkau (Balkau 
) , across the world, is a rare last name. The family name Balkau is habitual in Germany, where it is a rare surname, Canada, where it is a very rare surname, and Brazil. Measured by absolute frequency, it is the most numerous in Germany, Brazil, and the United States. Very seldom, Balkau is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Balkau | Germany, United States, Canada, France, Brazil |
| ulrike balkau DE (b. 1964) |
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| b balkau researcher |
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| beverley balkau researcher |
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| beverly balkau |
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Mr, Edith, Erlon, Horst, Marius, Marcio, Miguel, Sandra, Sheron, Steven, Alfred, Carlos, Kaline, Renate, Darryl, Gregui, Nicole, Edemar, Victor, Verner, Zenita, Ulrich, Lucas, Peter, Paulo, Kevin, Ms, Ari, Matt, Sven, Alan, Rosa, Rudi, Lara, Leon, Jens, Marlene, Tony, Elke, Enir, Enzo, Yuri, Maria, Maico, Susan, Anita, Bernd, Kelli, Nair, and Matheus