Cognomen Moltzau (Moltzau 
) , worldwide, is a rare last name. The surname Moltzau is characteristic of Norway, where it is quite a rare surname, Spain, where it is a very rare surname, and Germany. Not in comparison with a country's population, it most frequently occurs in Norway, the United States, and Germany. Very seldom, Moltzau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Moltzau | Norway, Spain, Brazil, Germany, United States |
| ragnar moltzau NO (b. 1901) |
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| aage moltzau Norwegian teacher (1924-2014) (b. 1924) |
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| ragnar moltzau (b. 1941) |
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| trond moltzau (b. 1944) |
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| paul johan moltzau Norwegian politician |
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| lise román moltzau researcher |
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Mr, Frank, Markus, Mollie, Sandra, Damian, Donald, Vibeke, Matthew, Max Philip, Mistine, Stephan, Beverly, Kathryn, Richard, Lillian, Jeannie, Theresa, Michelle, Tryggve Benjamin Richards, Elizabeth, Aleksander, Hilde, Terry, Linda, Lezli, Ms, Max, Bev, Jan, Jon, Ida, Ian, Mary, Alex, Anne, Jacqueline, Carl, Rita, Nina, Eric, Hege, Misty, Alice, Amber, Chris, Craig, Bente, Paul, and Hans-Kristian